Valves
Federal Supply Group (FSG): 48
NATO Supply Classification Group (NSG): 48
Note-This group may include specially designed valves for use on individual types of equipment or systems. Excluded are such items as tire valves, engine intake and exhaust valves, explosive valves, carburetor valves, water mixing valves, and flush valves.
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Frequently Asked Questions (FAQ) for Federal Supply Group 48
- What is Federal Supply Group 48?
- FSG 48 is the Federal Supply Group (formally known as NATO Supply Classification Group NSG 48) in the USA for supply items codified in the category of Valves.
- What is NATO Supply Classification Group 48?
- NSG 48 is the NATO Supply Classification Group (also known as Federal Supply Group FSG 48 in the USA) for supply items codified in the category of Valves.
- Which Federal Supply Classes are in FSG 48?
- FSG 48 contains the following Federal Supply Classes (FSC) (formally known as NATO Supply Classification Class [NSC]): 4820, 4810
- Which NATO Supply Classification Classes are in NSG 48?
- NSG 48 contains the following NATO Supply Classification Classes (NSC) (also known as Federal Supply Class [FSC] in the USA): 4820, 4810
Supply Items Included in Federal Supply Group 48
- What is a Float Valve? 655 Items
- AFloat Valve(VALVE,FLOAT) is a valve designed to utilize a valve float which controls the opening or closing of the valve as the valve float is lowered or raised by the level of the fluid being controlled. Excludes VALVE, FLOAT, WATER CLOSET TANK.
- What is a Gate Valve? 9811 Items
- AGate Valve(VALVE,GATE) is a valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.
- What is an Angle Valve? 5001 Items
- AnAngle Valve(VALVE,ANGLE) is a valve with one inlet and one outlet connection with outlet flow at an angle to inlet flow. The flow is controlled by the action of a stem which lifts disks perpendicularly off the center axis of its seat. It may be inline or cartridge (manifold) design. Excludes VALVE (1), Y; VALVE, STOP-CHECK; and COCK, SHUTOFF, SCREW STEM.
- What is a Cross Valve? 432 Items
- ACross Valve(VALVE,CROSS) is a valve with two connections on the run and a third and sometimes fourth connection at 90 degree (1.5708 radians) angle(s) to the run. The flow is controlled by the action of a stem which lifts a disk perpendicularly off of the center axis of its seat.
- What is a Globe Valve? 14861 Items
- AGlobe Valve(VALVE,GLOBE) is a valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes VALVE, STOP-CHECK; COCK, SHUTOFF, SCREW STEM; and VALVE, SOLENOID.
- What is a Stop-Check Valve? 4069 Items
- AStop-Check Valve(VALVE,STOP-CHECK) is a valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.
- What is a Check Valve? 25050 Items
- ACheck Valve(VALVE,CHECK) is a valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
- What is a Safety Relief Valve? 22402 Items
- ASafety Relief Valve(VALVE,SAFETY RELIEF) is a valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
- What is a Butterfly Valve? 7546 Items
- AButterfly Valve(VALVE,BUTTERFLY) is a valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.
- What is a Plug Valve? 4003 Items
- APlug Valve(VALVE,PLUG) is a valve designed to control the flow of a fluid by the rotation of a ported plug or plug sector within a suitable ported seat. The plug requires lubrication for ease of operation or contains a bonded composition seal(s). See also VALVE, SEATLESS and COCK, PLUG.
- What is a Temperature Regulating Valve? 2137 Items
- ATemperature Regulating Valve(VALVE,REGULATING,TEMPERATURE) is a self-acting valve designed for controlling, by means of a thermostatic element, the flow of liquids or gases therethrough. The thermostatic element is located in liquid or gas whose temperature is controlled by the heat of the liquid or gas flowing through the valve. See also VALVE, RELIEF, PRESSURE AND TEMPERATURE.
- What is an Expansion Valve? 2043 Items
- AnExpansion Valve(VALVE,EXPANSION) is a self-acting valve specifically designed for use in refrigeration systems for continual control of rate of flow of refrigerant. It may be actuated by a thermostatic element or self-actuated.
- What is a Pneumatic Tank Valve? 533 Items
- APneumatic Tank Valve(VALVE,PNEUMATIC TANK) is a valve, designed for attachment to pressure tanks and/or mechanical equipment for the purpose of permitting an increase, decrease, and the gaging of pressure (similar to tire valves) within a confining chamber carrying compressed air, gases or oil.
- What is a Valve Float? 520 Items
- AValve Float(FLOAT,VALVE) is a floatation device used to actuate an inlet or outlet valve. It may be airtight and hollow, or of solid construction. Excludes floats designed for carburetors.
- What is an Exhaust Control Valve? 232 Items
- AnExhaust Control Valve(VALVE,EXHAUST CONTROL) is a manually operated valve having one inlet and two outlets. It is designed to control the direction of exhaust gases into either of the outlets, one outlet discharging directly into the atmosphere, the other discharging under water.
- What is a Vacuum Breaking Valve? 458 Items
- AVacuum Breaking Valve(VALVE,VACUUM BREAKING) is an item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also VALVE, VACUUM REGULATING.
- What is an Automatic Tempering Valve? 98 Items
- AnAutomatic Tempering Valve(VALVE,AUTOMATIC TEMPERING) is a self-acting valve with a thermostatic element inside the body. It is specifically designed to mix fluids of different temperatures, such as hot and cold water or steam and water, and to discharge at a predetermined temperature. See also VALVE, REGULATING, TEMPERATURE.
- What is a Gaseous Products Pressure Equalizing Valve? 560 Items
- AGaseous Products Pressure Equalizing Valve(VALVE,PRESSURE EQUALIZING,GASEOUS PRODUCTS) is a valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.
- What is a Seatless Valve? 312 Items
- ASeatless Valve(VALVE,SEATLESS) is a valve that controls flow by a cylindrical piston sliding vertically through packing rings separated by a metal cage having ports through which flow may proceed when the valve is open. Rotation of the threaded stem is used to regulate the position of the piston. See also VALVE, PLUG and VALVE, WEIGHTED CONTROL, PISTON.
- What is a Stop Diaphragm Valve? 1817 Items
- AStop Diaphragm Valve(VALVE,DIAPHRAGM,STOP) is a valve designed specifically so the diaphragm seals the flow stream from the valve operating mechanism. The flow is controlled by the lifting of the diaphragm from or compressing it against an integral seat. For packless diaphragm valves which utilize a diaphragm as packing and a disk to control the flow, see VALVE, Y.
- What is a Foot Valve? 405 Items
- AFoot Valve(VALVE,FOOT) is a valve used on the free end of a suction line permitting flow in only one direction. It is always equipped with a strainer at the inlet end. See also VALVE, CHECK.
- What is a Pressure Regulating Valve Parts Kit? 1027 Items
- APressure Regulating Valve Parts Kit(PARTS KIT,PRESSURE REGULATING VALVE) is a parts kit used for a VALVE, PRESSURE REGULATING. It may contain such items as a diaphragm, diaphragm spring, valve spring, valve seat, valve seat gasket, needle valve, relief ball, relief spring, dome gasket, and the like.
- PARTS KIT,SAFETY RELIEF VALVE 661 Items
- What is a Drain Cock? 2071 Items
- ADrain Cock(COCK,DRAIN) is an item with one mounting end and one free flowing end with a metal to metal valve closure. It is designed to drain fluids from radiators, boilers, and similar items.
- What is a Poppet Drain Cock? 785 Items
- APoppet Drain Cock(COCK,POPPET DRAIN) is an item designed to drain fluids from fuel systems, tanks, filters, or similar items. It has a mounting end, a free flowing end, and a quick-acting nonmetallic sealed closure, usually spring loaded, that holds it in an "off" position. It requires no lubrication other than from the fluid being drained.
- What is a Screw Stem Shutoff Cock? 1028 Items
- AScrew Stem Shutoff Cock(COCK,SHUTOFF,SCREW STEM) is a compact two-way type of valve mechanism having a one piece body and seat and a one piece stem and disk. It has no bonnet, and is not used for fine control of flow. It is used extensively in the automotive field.
- What is a Plug Cock? 3168 Items
- APlug Cock(COCK,PLUG) is an item that controls the flow of a fluid by rotation of a ported plug within a suitable ported seat. It must not have any lubrication other than from the fluid controlled, nor contain any nonmetallic seal between plug and seat. See also VALVE, SEATLESS and VALVE, PLUG.
- What is a Y Valve? 620 Items
- AY Valve(VALVE,Y) is a valve with one inlet and one outlet connection that provides unobstructed fluid flow. The flow is controlled by the action of a stem which lifts disk perpendicularly off center axis of its seat. The stem is at angle of less than 90 degrees (1.5708 radians) to parallel inlet and outlet flow. It may utilize a diaphragm as packing. Excludes VALVE, STOP-CHECK.
- What is a Piston Weighted Control Valve? 103 Items
- APiston Weighted Control Valve(VALVE,WEIGHTED CONTROL,PISTON) is a valve consisting of a ported, dead weighted, hollow piston which moves vertically across the inlet passage within the valve body. Changes in the pressure controlled position of the piston vary the effective area of the ports exposed to the inlet flow in such a manner as to maintain a constant outlet line pressure. It has no seats or disk. For dead weight loaded pressure regulating valve of seat and disk construction, see also VALVE, REGULATING, FLUID PRESSURE.
- What is a Pressure And Temperature Relief Valve? 2203 Items
- APressure And Temperature Relief Valve(VALVE,RELIEF,PRESSURE AND TEMPERATURE) is a valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.
- What is a Fire Check Valve? 71 Items
- AFire Check Valve(VALVE,FIRE CHECK) is a valve which works on a thermostatic principle to stop and extinguish backfire in gas-air pipelines by utilizing the heat generated by the fire to actuate the mechanism which closes the valve. It also contains a swing check on the inlet connection which closes immediately upon shock caused by backfire, shutting off the gas-air mixture. It is designed for installation in a pipeline to feed gas-air mixtures to burners and the like.
- What is a Restrictor Check Valve? 866 Items
- ARestrictor Check Valve(VALVE,RESTRICTOR CHECK) is a valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a VALVE, CHECK with the exception of the orifice which permits fluid flow in more than one direction.
- What is a Shuttle Valve? 854 Items
- AShuttle Valve(VALVE,SHUTTLE) is a valve having one outlet and two inlets that are usually opposite each other. It has a fluid pressure operated pistonlike item, called a shuttle, that controls either inlet. It is commonly used to provide an emergency passage for fluid in an aircraft hydraulic or pneumatic system in case of loss of pressure in the normal service lines.
- What is a Hydraulic System Fuse? 91 Items
- AHydraulic System Fuse(FUSE,HYDRAULIC SYSTEM) is a valve-like safety device used on hydraulic lines to prevent loss of hydraulic fluid from the system when the lines are ruptured or fail for any reason.
- What is a Ball Valve? 17018 Items
- ABall Valve(VALVE,BALL) is a multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes VALVE, CHECK.
- What is a Valve Seat? 18894 Items
- AValve Seat(SEAT,VALVE) is a replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
- What is a Valve Core? 106 Items
- AValve Coreis a cylindrical, spring loaded self-sealing unit designed to be (1) fitted into the valve stem of a pneumatic tire or inner tube or other inflatable item to retain inflation or (2) fitted into hydraulic, pneumatic or oxygen equipment and the like to permit pressure charging. Excludes VALVE CORE, HAND PUMP, DRAINAGE AND SUCTION APPARATUS.
- What is a Vacuum Regulating Valve? 489 Items
- AVacuum Regulating Valve(VALVE,VACUUM REGULATING) is a device designed to regulate vacuum within the desired operating limits. See also VALVE, VACUUM BREAKING.
- What is a Pneumatic Inflator Valve? 114 Items
- APneumatic Inflator Valve(VALVE,PNEUMATIC INFLATOR) is a valve designed to control the inflation of life preservers, life rafts, watercraft and the like. The inlet end may be designed for oral inflation, to mate with an inflation adaptor or to connect to a compressed gas cylinder. The outlet end may be designed to connect the valve to a pneumatic chamber valve stem or to mount directly to the pneumatic chamber.
- What is a Fluid Pressure Regulating Valve? 14581 Items
- AFluid Pressure Regulating Valve(VALVE,REGULATING,FLUID PRESSURE) is a valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.
- What is a Lift-Check Valve? 430 Items
- ALift-Check Valve(VALVE,LIFT-CHECK) is a valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also VALVE, STOP-CHECK and VALVE, STOP-LIFT-CHECK.
- What is a Stop-Lift-Check Valve? 200 Items
- AStop-Lift-Check Valve(VALVE,STOP-LIFT-CHECK) is a valve with a stem that may be mechanically actuated to three different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the third position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also VALVE, LIFT-CHECK and VALVE, STOP-CHECK.
- What is a Rupturable Disk? 781 Items
- ARupturable Disk(DISK,RUPTURABLE) is a thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a HEAD, SAFETY, PRESSURE RELIEF. For items furnished with a holder, see HEAD AND DISK, SAFETY, PRESSURE RELIEF. For items without a rupture pressure rating, see DISK, SOLID, PLAIN. Excludes DIAPHRAGM, VALVE, FLAT; DIAPHRAGM, VALVE, SPECIAL SHAPED; DISK, VALVE; and INSULATOR, DISK.
- What is a Pressure Relief Safety Head? 180 Items
- APressure Relief Safety Head(HEAD,SAFETY,PRESSURE RELIEF) is an item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes VALVE, SAFETY RELIEF and PLUG, FUSIBLE. For items furnished with a disk, see HEAD AND DISK, SAFETY, PRESSURE RELIER.
- What is a Needle Valve Stem? 798 Items
- ANeedle Valve Stem(STEM,NEEDLE VALVE) is a metallic, needle shaped item having a one-piece stem threaded for securing to, or positioning into, a mating part. The point may be of various angles or shapes, such as conical or tapered, to correspond with the mating seat. The item is designed for the fine control flow or restriction of liquids or gases in a given system. It may be provided with a knurled head for rotation by thumbs and fingers, or be driven with either a wrench, handle, or inserted driver. Excludes VALVE, FUEL-AIR MIXTURE CONTROL, AUTOMATIC.
- What is a Tee Valve? 595 Items
- ATee Valve(VALVE,TEE) is a valve with three connections positioned parallel and/or 90 degrees (1.5708 radians) from each other and are not on a run. The flow is controlled by the action of a stem which lifts a disk perpendicularly off the center axis of its seat.
- What is a Fluid Valve Stem? 14635 Items
- AFluid Valve Stem(STEM,FLUID VALVE) is an item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes STEM, FAUCET; and STEM, NEEDLE VALVE.
- What is a Ported Valve Ball? 1974 Items
- APorted Valve Ball(BALL,VALVE,PORTED) is a spherical shaped device with two or more ports used to prevent or regulate the flow of fluids in a valve, nozzle, or the like. It may include an integral valve stem. For valve balls that do not include ports see BALL, CHECK. Excludes PLUG, ROTARY, VALVE.
- What is a Valve Stem Guide? 1628 Items
- AValve Stem Guide(GUIDE,VALVE STEM) is a replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.
- What is a Calibrated Flow Valve? 1942 Items
- ACalibrated Flow Valve(VALVE,CALIBRATED FLOW) is a valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes VALVE, REGULATING, FEED WATER; VALVE, REGULATING, FLUID PRESSURE; VALVE, REGULATING, FUEL OIL; VALVE, REGULATING, OIL PRESSURE, AUTOMATIC PILOT; VAVLE, REGULATING, TEMPERATURE; VALVE, ANGLE; and VALVE, GLOBE.
- PARTS KIT,ANGLE VALVE 78 Items
- PARTS KIT,ANTI SURGE SENSOR 10 Items
- PARTS KIT,BALL VALVE 2287 Items
- PARTS KIT,BUTTERFLY VALVE 725 Items
- PARTS KIT,CHECK VALVE 750 Items
- What is a Diaphragm Replacement Parts Kit? 138 Items
- ADiaphragm Replacement Parts Kit(PARTS KIT,DIAPHRAGM REPLACEMENT) is a parts kit used to replace diaphram(s) in a brake chamber, clutch cylinder, valve, and the like.
- PARTS KIT,GATE VALVE 309 Items
- PARTS KIT,GLOBE VALVE 486 Items
- PARTS KIT,LINEAR DIRECTIONAL CONTROL VALVE 559 Items
- PARTS KIT,PILOT CONTROL VALVE 79 Items
- PARTS KIT,ROTARY CAM DIRECTIONAL CONTROL VALVE 73 Items
- PARTS KIT,SEDIMENT STRAINER 15 Items
- PARTS KIT,SHUTTLE VALVE 24 Items
- PARTS KIT,STOP-CHECK VALVE 197 Items
- PARTS KIT,STOP DIAPHRAGM VALVE 55 Items
- PARTS KIT,VALVE TRAP 35 Items
- PARTS KIT,VENT VALVE 61 Items
- What is a Valve Disk? 16056 Items
- AValve Disk(DISK,VALVE) is an item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.
- What is a Valve Cap? 4464 Items
- AValve Cap(CAP,VALVE) is a cap designed to mate with a fluid valve body. It may have an orifice through which a rod, shaft, stem, or an adjusting screw passes. For ported items, see HEAD, VALVE. Excludes CAP, PNEUMATIC VALVE.
- What is a Valve Head? 1198 Items
- AValve Head(HEAD,VALVE) is an item designed to mate with a hydraulic or pneumatic valve body. It must have inlet and/or outlet port(s). For items without ports see CAP (1), VALVE.
- What is a System Pressure Regulating Valve? 1826 Items
- ASystem Pressure Regulating Valve(VALVE,REGULATING,SYSTEM PRESSURE) is a value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes VALVE, REGULATING, FLUID PRESSURE and VALVE, CALIBRATED FLOW.
- What is a Valve Disk Retainer? 1648 Items
- AValve Disk Retainer(RETAINER,DISK,VALVE) is an item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve disk, allowing proper position of disk-to-valve seat within a valve body.
- What is a Saddle Valve? 94 Items
- ASaddle Valve(VALVE,SADDLE) is a valve with an outlet end connection, straight thru or at an angle. The flow of liquid or gases may be controlled by the action of stem which lifts the disks perpendicularly off the center axis of its seat or by rotation of a suitable ported seat. This valve has a connection facility which is saddled over a line and bolted, may be line drilled or line self piercing.
- What is a Vent Valve? 1383 Items
- AVent Valve(VALVE,VENT) is a valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see VALVE (1), SAFETY RELIEF.
- What is a Valve Body? 7292 Items
- AValve Body(BODY,VALVE) is an item designed to enclose and support the internalpart(s) of a valve.
- What is a Valve Piston? 3008 Items
- AValve Piston(PISTON,VALVE) is a cylindrical item of various configurations which reciprocates in a valve body, assisting in the movement of the disk to open or close a valve. May include additional components such as ring(s), collar(s), spring(s) and the like. Excludes DISK, VALVE.
- What is a Valve Opening Indicator? 340 Items
- AValve Opening Indicator(INDICATOR,VALVE OPENING) is an item specifically designed to show the open, intermediate, and closed disk relationship to the valve seat. It may be of various shapes, sizes, and mechanical designs such as glass tube, needle and slot. Excludes INDICATOR (1), POSITION; GLASS, LIQUID SIGHT INDICATOR, FLAT.
- What is a Valve Cage? 411 Items
- AValve Cage(CAGE,VALVE) is a removable item within the valve body, designed to guide the plug and determine the flow characteristic of the valve and provide access for inspection or replacement without removing body from line. May include gaskets, spring, and the like.
- What is a Valve Parts Kit? 4396 Items
- AValve Parts Kit(PARTS KIT,VALVE) is do not use if a more specific item name is applicable.
- What is a Throttle Valve? 606 Items
- AThrottle Valve(VALVE,THROTTLE) is a valve designed with multiple outlets of various sizes that are reduced to control the rate of flow and/or increased to reduce pressure. Excludes VALVE, REGULATING FLUID PRESSURE and VALVE, CALIBRATED FLOW.
- What is a Hydraulic System Bleeder Valve? 1124 Items
- AHydraulic System Bleeder Valve(VALVE,BLEEDER,HYDRAULIC SYSTEM) is a metallic, threaded, screw-shaped item used in hydraulic brake cylinders, hydraulic power units, missile launching hydraulic systems, and the like, for the purpose of providing a means of releasing air form and/or flushing a hydraulic system. It may be furnished with or without a dust cap. Excludes spring loaded or automatic type air pressure relief valves, and BOLT, FLUID PASSAGE.
- What is a Thermostatic Temperature Regulator? 657 Items
- AThermostatic Temperature Regulator(REGULATOR,THERMOSTATIC TEMPERATURE) is a self sensored actuating regulator designed to automatically regulate the flow of liquid or steam through a valve to maintain a predetermined temperature. Designed to close or open a valve when a change in temperature is detected to avoid overheating of controlled unit. Valve body not included. See also REGULATOR (1), TEMPERATURE AND PRESSURE.
- What is a Temperature And Pressure Regulator? 237 Items
- ATemperature And Pressure Regulator(REGULATOR,TEMPERATURE AND PRESSURE) is a self sensored regulator designed to automatically regulate steam flow and pressure according to predetermined pressure or temperature setting. Designed to open or close a valve when excessive or reduced pressure or temperature is detected. Valve body not included. See also REGULATOR (1), THERMOSTATIC TEMPERATURE.
- What is a Valve Disk And Seat Set? 135 Items
- AValve Disk And Seat Set(DISK AND SEAT SET,VALVE) is a unit of matched items consisting of a circular or cylindrical item, ground for provision to be lapped with the mating seating surface to function as a unit to form a drip tight seal. May include plate, insert, guide, rings, and the like. See also DISK, VALVE and SEAT, VALVE.
- What is a Liquid Oxygen Drain Valve? 15 Items
- ALiquid Oxygen Drain Valve(VALVE,LIQUID OXYGEN DRAIN) is a valve designed to drain liquid oxygen from oxygen converters. It shall be a positive-position, toggle-actuating, bellows-sealed valve. It is specifically designed for oxygen systems.
- What is an Oxygen System Pressure Regulating Valve? 112 Items
- AnOxygen System Pressure Regulating Valve(VALVE,REGULATING,OXYGEN SYSTEM PRESSURE) is a valve used to automatically maintain within close limits a predetermined pressure within an oxygen system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is bypassed to the accumulator or reservoir in lieu of passing through the entire system. It is specifically designed and/or cleaned for oxygen systems. Excludes VALVE, REGULATING, SYSTEM PRESSURE; VALVE REGULATING, FLUID PRESSURE AND VALVE, CALIBRATED FLOW.
- What is an Oxygen System Safety Relief Valve? 111 Items
- AnOxygen System Safety Relief Valve(VALVE,SAFETY RELIEF,OXYGEN SYSTEM) is a valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It is specifically designed and/or cleaned for oxygen systems. See VALVE, SAFETY RELIEF.
- What is an Oxygen System Check Valve? 88 Items
- AnOxygen System Check Valve(VALVE,CHECK,OXYGEN SYSTEM) is an item permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It is specifically designed and/or cleaned for oxygen systems. See also VALVE, CHECK; VALVE, STOP-CHECK.
- What is a Hydraulic System Flushing Block? 72 Items
- AHydraulic System Flushing Block(FLUSHING BLOCK,HYDRAULIC SYSTEM) is a ported device designed to be installed on a valve plate to eliminate the valve function during the flushing operation.
- What is a Valve Gear Operator? 1056 Items
- AValve Gear Operator(GEAR OPERATOR,VALVE) is a hand controlled device maneuvered by a gear designed to open and close the flow control device. May include open and close position indicator. Excludes GEAR ASSEMBLY, SPEED DECREASER; GEARBOX ACCESSORY DRIVE, TURBINE ENGINE; and GEARCASE-MOTOR.
- What is a Valve Positioner? 193 Items
- AValve Positioner(POSITIONER,VALVE) is a positive positioning relay devised to translate a variable signal pressure into a control pressure to precisely position a valve and to achieve a balanced instrument pressure. It is designed for use with pneumatically operated valves and actuators.
- SPINDLE ROD,SAFETY VALVE 80 Items
- What is a Boom Hoist Cylinder Hold Valve? 163 Items
- ABoom Hoist Cylinder Hold Valve(VALVE,HOLD,BOOM HOIST CYLINDER) is a multi port valve, or cartridge, used as part of a hydraulic systems to lock and/or control the load movement of a hoist boom. It may be pilot operated.
- VALVE,PURGE 312 Items
- DIVIDER,VALVE FLOW 111 Items
- LINER,VALVE 154 Items
- SUBPLATE ASSEMBLY,VALVE 274 Items
- PLUG,INDICATOR,VALVE 49 Items
- MODIFICATION KIT,VALVE 135 Items
- VALVE-HAND,BYPASS 131 Items
- NOZZLE,VALVE 541 Items
- PLATE,SPECTACLE,VALVE 22 Items
- VALVE,BALLAST 52 Items
- CLUTCH,TRIPPER INSERT 10 Items
- QUILL,VALVE 65 Items
- VALVE-HAND,OUTLET 130 Items
- GUIDE,DIAPHRAGM,VALVE 81 Items
- STEM,SUPPORT,VALVE 76 Items
- What is a Valve Deck Box Operator? 185 Items
- AValve Deck Box Operator(DECK BOX OPERATOR,VALVE) is a manually operated, flush, or semi-flush, mounted access box designed for the remote actuation of rotary valves through decks, walls, bulkheads, and the like.
- RING,VALVE PISTON 140 Items
- What is a Special Shaped Actuator Valve Diaphragm? 1714 Items
- ASpecial Shaped Actuator Valve Diaphragm(DIAPHRAGM,ACTUATOR VALVE,SPECIAL SHAPED) is an item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes DIAPHRA GM, VALVE, FLAT and GASKET.
- What is a Check Ball? 778 Items
- ACheck Ball(BALL,CHECK) is a spherical shaped device that may be of solid or hollow construction. It is designed to seat in an opening thereby preventing the passage of fluid. It may be used with a spring enabling the ball to become unseated at a predetermined pressure as exerted by the fluid flow and to become reseated in the absence of fluid pressure. For valve balls that include ports see BALL, VALVE, PORTED.
- What is a Valve Flow Regulating Element? 192 Items
- AValve Flow Regulating Element(REGULATING ELEMENT,FLOW,VALVE) is a cylindrical item designed for stationary mounting in a valve to regulate and quiet the flow of liquids or gases. The flow is regulated by a series of passages such as drilled holes, slots, or the like. It is normally used on a submarine for a quiet operation.
- What is a Globe-Check Valve? 216 Items
- AGlobe-Check Valve(VALVE,GLOBE-CHECK) is a valve with one inlet and one outlet connection designed for precise, adjustable control of the flow in one direction and free flow in the opposite direction. Precise control is provided by a threaded needle or stem which is lifted perpendicularly off the center axis of its seat. Free flow is provided by an internal by-pass check valve which operates independently of the needle or stem.
- What is a Liquid-Check Valve? 106 Items
- ALiquid-Check Valve(VALVE,LIQUID-CHECK) is a normally open valve which permits the passage of air or gases in both directions but prevents the passage of liquids in one direction. The action is controlled by a buoyant flow control device which rises against its seat when liquids are present therein.
- What is a Pressure Relief Module Assembly? 59 Items
- APressure Relief Module Assembly(MODULE ASSEMBLY,PRESSURE RELIEF) is an item at specific pressure which discharges the excess liquid to a holding tank when the specified setting is exceeded.
- What is a Valve Gland Flange? 631 Items
- AValve Gland Flange(FLANGE,GLAND,VALVE) is an oval, rectangular, or round shaped item, bearing internally against a packing or a packing gland, used to compress packing. It consists of two or more mounting holes or slots.
- What is a Selector Rotary Valve? 1325 Items
- ASelector Rotary Valve(VALVE,ROTARY,SELECTOR) is a manually or power operated valve designed to control the flow of a fluid by the rotation of a ported or curved rotor. A spring, ball, or cam detent may be included to locate or hold position. The item may be panel or subplate mounted, or be an inline design. Excludes VALVE, PLUG. See also VALVE, LINEAR, DIRECTIONAL CONTROL.
- What is a Directional Control Linear Valve Body And Slide? 150 Items
- ADirectional Control Linear Valve Body And Slide(BODY AND SLIDE,DIRECTIONAL CONTROL LINEAR VALVE) is an item consisting of a BODY, VALVE and a SLIDE, DIRECTIONAL CONRTOL LINEAR VALVE. It may be furnished unassembled, matched, or assembled. See also SLEEVE AND SLIDE, DIRECTIONAL CONTROL LINEAR VALVE and PARTS KIT (1), LINEAR DIRECTIONAL CONTROL VALVE.
- What is a Directional Control Linear Valve Sleeve And Slide? 1437 Items
- ADirectional Control Linear Valve Sleeve And Slide(SLEEVE AND SLIDE,DIRECTIONAL CONTROL LINEAR VALVE) is an item consisting of a SLEEVE, DIRECTIONAL CONTROL LINEAR VALVE and a SLIDE DIRECTIONAL CONTROL LINEAR VALVE. It may be furnished unassembled, matched, or assembled. See also BODY AND SLIDE, DIRECTIONAL CONTROL LINEAR VALVE; PARTS KIT (1), LINEAR DIRECTIONAL CONTROL VALVE.
- What is a Flow Control Valve? 5107 Items
- AFlow Control Valve(VALVE,FLOW CONTROL) is an inline or cartridge type item designed to control the flow of fluids within a closed system. Excludes items actuated by a predetermined pressure and/or temperature, items designed for use with breathing gasses, or those designed to vent or calibrate fluids.
- What is a Valve Assembly? 3898 Items
- AValve Assemblyis an assembly of items consisting of two or more complete valves on a common mounting; mounted on each other; or joined together with fitting(s), hose(s), tube(s), pipe(s), or the like. For items consisting of two or more valves in a common body, See VALVE ASSEMBLY, MANIFOLD.
- What is a Manifold Valve Assembly? 3191 Items
- AManifold Valve Assembly(VALVE ASSEMBLY,MANIFOLD) is a device consisting of two or more valves of the same or different type in a common body or housing. It may have multiple end connections, and the valves function(s) may or may not be dependent of each other. For items consisting of two or more complete valves joined together, See VALVE ASSEMBLY.
- What is a Blanking Plate Assembly? 103 Items
- ABlanking Plate Assemblyis a block shaped device with ports and mounting facilities designed to temporarily replace a valve while servicing the system. See also FLUSHING BLOCK, HYDRAULIC SYSTEM.
- What is a Valve Repair Kit? 1311 Items
- AValve Repair Kit(REPAIR KIT,VALVE) is a repair kit consisting of parts and tool(s) used to repair a VALVE (as modified).
- What is a Linear Directional Control Valve Working Body Section? 162 Items
- ALinear Directional Control Valve Working Body Section(BODY SECTION,WORKING,LINEAR DIRECTIONAL CONTROL VALVE) is an item which comprises a portion of a valve, and when used in conjunction with an inlet and outlet section forms a complete valve.
- What is a Compression Release Valve? 52 Items
- ACompression Release Valve(VALVE,COMPRESSION RELEASE) is a manually operated valve designed to release combustion chamber pressure in reciprocating internal combustion engines to ease starting effort. May be designed to close automatically after engine starts.
- What is a Valve Tailpiece? 296 Items
- AValve Tailpiece(TAILPIECE,VALVE) is a removable item within the valve body, designed to serve as an end connection and provide access for inspection or replacement of internal parts. Excludes TAILPIECE, UNION; fittings; and ADAPTER as modified.
- What is a Valve Seat Retainer? 623 Items
- AValve Seat Retainer(RETAINER,SEAT,VALVE) is an item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve seat, allowing proper positioning of the seat with a flow control device.
- What is a Pressure Relief Safety Head And Disk? 78 Items
- APressure Relief Safety Head And Disk(HEAD AND DISK,SAFETY,PRESSURE RELIEF) is an item consisting of a rupturable disk and the holder which encloses it in position. It is designed to rupture at a predetermined pressure. See also DISK, RUPTURABLE and HEAD, SAFETY, PRESSURE RELIEF.
- What is a Compressed Gas Regulator? 390 Items
- ACompressed Gas Regulator(REGULATOR,COMPRESSED GAS) is a specially designed regulator with either a standard Compressed Gas Association (CGA) gas inlet/outlet connection or pipe connections. It provides for the controlled withdrawal of compressed gas from a compressed gas cylinder either by direct attachment to the cylinder or by insertion into a piping distribution system that is pressured by a cylinder.
- What is a Packless Valve Metallic Bellows? 60 Items
- APackless Valve Metallic Bellows(BELLOWS,METALLIC,PACKLESS VALVE) is a metallic item, partially enclosed by top and bottom plates, used in the construction of a valve where the freedom of leakage at the spindle is not dependent upon a gland of the packed type. It is usually made of copper and is used in refrigeration and similar services.
- What is a Swing Check Valve Hinge? 77 Items
- ASwing Check Valve Hinge(HINGE,SWING CHECK VALVE) is a pivotal item that supports the DISK, VALVE relative to the SEAT, VALVE.
- What is a Hydraulic Sampling Valve? 61 Items
- AHydraulic Sampling Valve(VALVE,SAMPLING,HYDRAULIC) is a manually actuated valve with one inlet and one outlet connection. It is designed for on-line sampling of engine oils, transmission oils, hydraulic system fluids, and the like. Release of the actuator shall automatically return the valve to the closed position. Excludes VALVE, BLEEDER, HYDRAULIC SYSTEM.
- What is a Check Valve Cartridge? 340 Items
- ACheck Valve Cartridge(CARTRIDGE,CHECK VALVE) is a complete, interchangeable valve including a removable seat but excluding a body. It is designed to permit flow in one direction. It is the entire operating portion of a valve that may be inserted into various body styles. The item cannot operate independently and is easily replaceable. Excludes items furnished with a body or those designed for manifold installation.
- What is a Needle Valve Cartridge? 186 Items
- ANeedle Valve Cartridge(CARTRIDGE,NEEDLE VALVE) is a complete, interchangeable valve including a removable seat but excluding a body. It is designed for fine flow control or flow restriction of liquids or gases. It is the entire operating portion of a valve that may be inserted into various body styles. The item cannot operate independently and is easily replaceable. Excludes items furnished with a body or those designed for manifold installation.
- What is a Shut-Off Valve Cartridge? 265 Items
- AShut-Off Valve Cartridge(CARTRIDGE,SHUT-OFF VALVE) is a complete, interchangeable valve including a removable seat but excluding a body. It is designed to control or restrict flow. It is the entire operating portion of a valve that may be inserted into various body styles. The item cannot operate independently and is easily replaceable. Excludes items furnished with a body or those designed for manifold installation.
- What is a Stop-Check Valve Cartridge? 103 Items
- AStop-Check Valve Cartridge(CARTRIDGE,STOP-CHECK VALVE) is a complete, interchangeable valve including a removable seat but excluding the body. The spring-loaded design allows flow in one direction only when the valve is open and stops all flow when the valve is closed. It is the entire operating portion of a valve that may be inserted into various body styles. The item cannot operate independently and is easily replaceable. Excludes items furnished with a body or those designed for manifold installation.
- What is a Check Valve Weight? 20 Items
- ACheck Valve Weight(WEIGHT,CHECK VALVE) is an item of various shapes and mass attached to a valve disk to provide sufficient seating force on a check valve.
- What is a Remote Control Safety Relief Valve? 65 Items
- ARemote Control Safety Relief Valve(VALVE,SAFETY RELIEF,REMOTE CONTROL) is a valve which provides adjustment of system pressure from a convenient or remote location. It is not intended for use as a relief valve by itself.
- What is a Valve Actuator-Handwheel Coupling? 205 Items
- AValve Actuator-Handwheel Coupling(COUPLING,ACTUATOR-HANDWHEEL,VALVE) is a device specifically designed to facilitate remote valve operation. It may be attached to the existing valve handwheel with U-bolts and may be furnished with a quick disconnect feature.
- What is a Valve Float Arm? 41 Items
- AValve Float Arm(ARM,FLOAT,VALVE) is a pivotal item of rigid construction and various shapes. One end is designed to be attached to a valve float. The other end acts to lift the valve disk from the seat to actuate and/or control valve flow.
- What is a Vent-Check Valve? 171 Items
- AVent-Check Valve(VALVE,VENT-CHECK) is a dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.
- What is a Valve Cover Plate? 414 Items
- AValve Cover Plate(COVER PLATE,VALVE) is a rigid item varied in size and shape. It is normally located on the bottom of a valve. It must have drilled and/or tapped holes for mounting purposes.
- What is a Temperature Regulating Valve Parts Kit? 40 Items
- ATemperature Regulating Valve Parts Kit(PARTS KIT,REGULATING VALVE,TEMPERATURE) is a group of parts used for repair or replacement of worn or damaged parts of a VALVE, REGULATING, TEMPERATURE.
- What is a Flat Valve Diaphragm? 2522 Items
- AFlat Valve Diaphragm(DIAPHRAGM,VALVE,FLAT) is an item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not be formed or molded to have a beaded or rolled edge, ribs, or any other raised surfaces. The item may contain bolt holes and/or a center hole. Excludes DIAPHRAGM, VALVE, SPECIAL SHAPED and GASKET.
- PARTS KIT,PLUG VALVE 199 Items
- What is a Stop And Stop Check Valve? 114 Items
- AStop And Stop Check Valve(VALVE,STOP AND STOP CHECK) is a combination of two valves, one a stop valve, the other a stop check valve, either in the same body, or in separate bodies bolted together, used to control the admission of feed water to a boiler, to prevent the return of water or steam from the boiler, and to provide a means of shutting off the feed line between the stop check valve and the steam drum or economizer.
- What is a Packless Valve Diaphragm Set? 30 Items
- APackless Valve Diaphragm Set(DIAPHRAGM SET,PACKLESS VALVE) is a set of two or more diaphragms, usually composed of dissimilar metals, designed for replacement as a unit in a packless valve.
- What is a Hydraulic Servovalve? 397 Items
- AHydraulic Servovalve(SERVOVALVE,HYDRAULIC) is an item which controls both the direction and the rate of flow of fluid in direct response to a primary control of comparatively low level force. It is used for positioning a linear actuating cylinder assembly, and for controlling the rate of travel of the piston. The primary control force may be mechanical, hydraulic, and/or electrical.
- What is a Valve Rotary Plug? 512 Items
- AValve Rotary Plug(PLUG,ROTARY,VALVE) is a cylindrical or tapered item with ports or segments designed to stop or control the flow of fluid in a VALVE, PLUG, or the like. It may have an integral stem for connection to a handle, lever, rotary actuator, or the like.
- What is a Directional Control Linear Valve Sleeve? 761 Items
- ADirectional Control Linear Valve Sleeve(SLEEVE,DIRECTIONAL CONTROL LINEAR VALVE) is a cylindrical item with an opening throughout its length which may be of cylindrical or other cross-sectional shape. It has external grooves for fluid flow, and may have external packing grooves. This item provides internal porting for various inlet and outlet ports of a directional control linear valve.
- What is a Directional Control Linear Valve Slide? 1494 Items
- ADirectional Control Linear Valve Slide(SLIDE,DIRECTIONAL CONTROL LINEAR VALVE) is an item which may have a cylindrical or other cross-sectional shape, with recess areas on the periphery. It is designed to control the flow direction in a linear directional control valve by the selection of various inlet and outlet ports in a sleeve or the valve body. The slide reciprocates thus mating recess areas with the various ports in the sleeve or valve body. It may have an off (no flow) position.
- What is a Directional Control Linear Valve? 10730 Items
- ADirectional Control Linear Valve(VALVE,LINEAR,DIRECTIONAL CONTROL) is a manually or power operated valve having three or more ports. The direction of the flow through the various ports is controlled by either one or more reciprocating slide(s) or spool(s) with recess areas which mate with ports in an integral or replaceable ported sleeve, or one or more poppet(s). It is designed to change the direction of fluid flow from one valve port to another. An off (no flow) position is not a flow pattern. The valve is designed to actuate various components of a fluid system. A power operated valve may have a manual override. For items which stop, start, or change the flow of fluid, see: VALVE, SOLENOID. Excludes VALVE, PLUG. See also SERVOVALVE, HYDRAULIC; BODY SECTION, WORKING, LINEAR DIRECTIONAL CONTROL VALVE; and VALVE ASSEMBLY.
- What is a Double Flow Control Valve? 21 Items
- ADouble Flow Control Valve(VALVE,FLOW CONTROL,DOUBLE) is a symmetrically arranged assembly of two VALVE, FLOW CONTROL.
- What is a Compressed Gas Regulator Piston? 18 Items
- ACompressed Gas Regulator Piston(PISTON,COMPRESSED GAS REGULATOR) is a cylindrical item of various configuration mounted in the body of a REGULATOR, COMPRESSED GAS. May include additional components such as ring(s), collar(s), seal(s) and the like. Excludes PISTON, VALVE.
- What is a Bonnet And Bellows And Stem Valve Assembly? 27 Items
- ABonnet And Bellows And Stem Valve Assembly(VALVE ASSEMBLY,BONNET AND BELLOWS AND STEM) is an assembly of items which form the controlling portion of a valve.
- What is a Valve Gagging Device? 10 Items
- AValve Gagging Device(GAGGING DEVICE,VALVE) is a device designed to lock in a definite position or prevent the opening at the set pressure a VALVE,PURGE; VALVE,SAFETY RELIEF; VALVE,CHECK; VALVE,BALL and the like.
- What is a Gate Valve? 9811 Items
- AGate Valve(VALVE,GATE) is a valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.
- What is an Angle Valve? 5001 Items
- AnAngle Valve(VALVE,ANGLE) is a valve with one inlet and one outlet connection with outlet flow at an angle to inlet flow. The flow is controlled by the action of a stem which lifts disks perpendicularly off the center axis of its seat. It may be inline or cartridge (manifold) design. Excludes VALVE (1), Y; VALVE, STOP-CHECK; and COCK, SHUTOFF, SCREW STEM.
- What is a Cross Valve? 432 Items
- ACross Valve(VALVE,CROSS) is a valve with two connections on the run and a third and sometimes fourth connection at 90 degree (1.5708 radians) angle(s) to the run. The flow is controlled by the action of a stem which lifts a disk perpendicularly off of the center axis of its seat.
- What is a Globe Valve? 14861 Items
- AGlobe Valve(VALVE,GLOBE) is a valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes VALVE, STOP-CHECK; COCK, SHUTOFF, SCREW STEM; and VALVE, SOLENOID.
- What is a Stop-Check Valve? 4069 Items
- AStop-Check Valve(VALVE,STOP-CHECK) is a valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.
- What is a Butterfly Valve? 7546 Items
- AButterfly Valve(VALVE,BUTTERFLY) is a valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.
- What is a Plug Valve? 4003 Items
- APlug Valve(VALVE,PLUG) is a valve designed to control the flow of a fluid by the rotation of a ported plug or plug sector within a suitable ported seat. The plug requires lubrication for ease of operation or contains a bonded composition seal(s). See also VALVE, SEATLESS and COCK, PLUG.
- What is a Linear Electro-Mechanical Actuator? 529 Items
- ALinear Electro-Mechanical Actuator(ACTUATOR,ELECTRO-MECHANICAL,LINEAR) is a self-contained power transmitting device designed to convert electrical energy into controlled mechanical force, in the form of linear (straight line) mechanical movement. Comprised of an electrical motor(s), gear box(es), screwjacks, limit switch(es), and such accessories as required for the specific moving and positioning of other components. Excludes hydraulic and pneumatic cylinders and screwjacks.
- What is a Solenoid Valve? 17051 Items
- ASolenoid Valve(VALVE,SOLENOID) is a valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see VALVE (1), LINEAR, DIRECTIONAL CONTROL. It may be inline or cartridge (manifold) design. Excludes VALVE (1), BUTTERFLY.
- What is a Rotary Electro-Mechanical Actuator? 1141 Items
- ARotary Electro-Mechanical Actuator(ACTUATOR,ELECTRO-MECHANICAL,ROTARY) is a self-contained power transmitting device designed to convert electrical energy into controlled mechanical force, in the form of torque (rotational mechanical movement). Comprised of an electric motor(s), gear box(es), limit switch(es), and such accessories as required for the specific moving and positioning of other components. Excludes hydraulic and pneumatic cylinders and screwjacks.
- What is a Stop Diaphragm Valve? 1817 Items
- AStop Diaphragm Valve(VALVE,DIAPHRAGM,STOP) is a valve designed specifically so the diaphragm seals the flow stream from the valve operating mechanism. The flow is controlled by the lifting of the diaphragm from or compressing it against an integral seat. For packless diaphragm valves which utilize a diaphragm as packing and a disk to control the flow, see VALVE, Y.
- What is a Pressure Regulating Valve Parts Kit? 1027 Items
- APressure Regulating Valve Parts Kit(PARTS KIT,PRESSURE REGULATING VALVE) is a parts kit used for a VALVE, PRESSURE REGULATING. It may contain such items as a diaphragm, diaphragm spring, valve spring, valve seat, valve seat gasket, needle valve, relief ball, relief spring, dome gasket, and the like.
- PARTS KIT,SAFETY RELIEF VALVE 661 Items
- What is a Ball Valve? 17018 Items
- ABall Valve(VALVE,BALL) is a multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes VALVE, CHECK.
- What is a Valve Seat? 18894 Items
- AValve Seat(SEAT,VALVE) is a replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
- What is a Fluid Pressure Regulating Valve? 14581 Items
- AFluid Pressure Regulating Valve(VALVE,REGULATING,FLUID PRESSURE) is a valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.
- What is a Stop-Lift-Check Valve? 200 Items
- AStop-Lift-Check Valve(VALVE,STOP-LIFT-CHECK) is a valve with a stem that may be mechanically actuated to three different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the third position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also VALVE, LIFT-CHECK and VALVE, STOP-CHECK.
- What is a Needle Valve Stem? 798 Items
- ANeedle Valve Stem(STEM,NEEDLE VALVE) is a metallic, needle shaped item having a one-piece stem threaded for securing to, or positioning into, a mating part. The point may be of various angles or shapes, such as conical or tapered, to correspond with the mating seat. The item is designed for the fine control flow or restriction of liquids or gases in a given system. It may be provided with a knurled head for rotation by thumbs and fingers, or be driven with either a wrench, handle, or inserted driver. Excludes VALVE, FUEL-AIR MIXTURE CONTROL, AUTOMATIC.
- What is a Tee Valve? 595 Items
- ATee Valve(VALVE,TEE) is a valve with three connections positioned parallel and/or 90 degrees (1.5708 radians) from each other and are not on a run. The flow is controlled by the action of a stem which lifts a disk perpendicularly off the center axis of its seat.
- What is a Fluid Valve Stem? 14635 Items
- AFluid Valve Stem(STEM,FLUID VALVE) is an item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes STEM, FAUCET; and STEM, NEEDLE VALVE.
- What is a Ported Valve Ball? 1974 Items
- APorted Valve Ball(BALL,VALVE,PORTED) is a spherical shaped device with two or more ports used to prevent or regulate the flow of fluids in a valve, nozzle, or the like. It may include an integral valve stem. For valve balls that do not include ports see BALL, CHECK. Excludes PLUG, ROTARY, VALVE.
- What is a Valve Stem Guide? 1628 Items
- AValve Stem Guide(GUIDE,VALVE STEM) is a replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.
- PARTS KIT,ANGLE VALVE 78 Items
- PARTS KIT,BALL VALVE 2287 Items
- PARTS KIT,BUTTERFLY VALVE 725 Items
- What is an Electro-Mechanical Linear Actuator Parts Kit? 30 Items
- AnElectro-Mechanical Linear Actuator Parts Kit(PARTS KIT,ELECTRO-MECHANICAL LINEAR ACTUATOR) is a parts kit used to repair an ACTUATOR, ELECTRO-MECHANICAL, LINEAR. Excludes PARTS KIT, LINEAR ACTUATING CYLINDER ASSEMBLY.
- What is an Electro-Mechanical Rotary Actuator Parts Kit? 36 Items
- AnElectro-Mechanical Rotary Actuator Parts Kit(PARTS KIT,ELECTRO-MECHANICAL ROTARY ACTUATOR) is a parts kit used to repair an ACTUATOR, ELECTRO-MECHANICAL, ROTARY.
- PARTS KIT,GATE VALVE 309 Items
- PARTS KIT,GLOBE VALVE 486 Items
- PARTS KIT,LINEAR DIRECTIONAL CONTROL VALVE 559 Items
- PARTS KIT,PILOT CONTROL VALVE 79 Items
- PARTS KIT,ROTARY CAM DIRECTIONAL CONTROL VALVE 73 Items
- PARTS KIT,SOLENOID VALVE 1053 Items
- PARTS KIT,STOP-CHECK VALVE 197 Items
- PARTS KIT,STOP DIAPHRAGM VALVE 55 Items
- PARTS KIT,VENT VALVE 61 Items
- What is a Valve Disk? 16056 Items
- AValve Disk(DISK,VALVE) is an item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.
- What is a Valve Cap? 4464 Items
- AValve Cap(CAP,VALVE) is a cap designed to mate with a fluid valve body. It may have an orifice through which a rod, shaft, stem, or an adjusting screw passes. For ported items, see HEAD, VALVE. Excludes CAP, PNEUMATIC VALVE.
- What is a Valve Head? 1198 Items
- AValve Head(HEAD,VALVE) is an item designed to mate with a hydraulic or pneumatic valve body. It must have inlet and/or outlet port(s). For items without ports see CAP (1), VALVE.
- What is a Valve Disk Retainer? 1648 Items
- AValve Disk Retainer(RETAINER,DISK,VALVE) is an item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve disk, allowing proper position of disk-to-valve seat within a valve body.
- What is a Valve Body? 7292 Items
- AValve Body(BODY,VALVE) is an item designed to enclose and support the internalpart(s) of a valve.
- What is a Valve Piston? 3008 Items
- AValve Piston(PISTON,VALVE) is a cylindrical item of various configurations which reciprocates in a valve body, assisting in the movement of the disk to open or close a valve. May include additional components such as ring(s), collar(s), spring(s) and the like. Excludes DISK, VALVE.
- What is a Valve Opening Indicator? 340 Items
- AValve Opening Indicator(INDICATOR,VALVE OPENING) is an item specifically designed to show the open, intermediate, and closed disk relationship to the valve seat. It may be of various shapes, sizes, and mechanical designs such as glass tube, needle and slot. Excludes INDICATOR (1), POSITION; GLASS, LIQUID SIGHT INDICATOR, FLAT.
- What is an Electro-Pneumatic Actuator? 131 Items
- AnElectro-Pneumatic Actuator(ACTUATOR,ELECTRO-PNEUMATIC) is a self-contained power transmitting device designed to convert compressed air into controlled mechanical force, in the form of linear (straight line) and/or torque (rotational) mechanical movement. Contains a cylinder, piston, lever, electric solenoid and the like and accessories as required for the specific moving and positioning of other components. Excludes ACTUATOR LINEAR, AIR TURBINE DRIVEN.
- What is a Linear Hydraulic-Pneumatic Actuator? 722 Items
- ALinear Hydraulic-Pneumatic Actuator(ACTUATOR,HYDRAULIC-PNEUMATIC,LINEAR) is a self-contained power transmitting device designed to convert hydraulic or pneumatic force into controlled mechanical force in the form of linear (straight line) mechanical movement. The linear motion is limited in regards to travel distance. Excludes hydraulic and pneumatic cylinders and screwjacks.
- What is a Rotary Hydraulic-Pneumatic Actuator? 702 Items
- ARotary Hydraulic-Pneumatic Actuator(ACTUATOR,HYDRAULIC-PNEUMATIC,ROTARY) is a self-contained power transmitting device designed to convert hydraulic or pneumatic force into controlled mechanical force in the form of torque (rotational mechanical movement limited to less than 360 degrees). The linear motion of the hydraulically or pneumatically operated power piston and shaft is converted to rotary motion in the output shaft through such linkage as rack and pinion, pin and yoke, a connecting link, and the like. Excludes hydraulic and pneumatic cylinders and screwjacks.
- What is a Valve Parts Kit? 4396 Items
- AValve Parts Kit(PARTS KIT,VALVE) is do not use if a more specific item name is applicable.
- What is a Solenoid Valve Repair Kit? 92 Items
- ASolenoid Valve Repair Kit(REPAIR KIT,SOLENOID VALVE) is a repair kit with tools included.
- What is an Oxygen System Safety Relief Valve? 111 Items
- AnOxygen System Safety Relief Valve(VALVE,SAFETY RELIEF,OXYGEN SYSTEM) is a valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It is specifically designed and/or cleaned for oxygen systems. See VALVE, SAFETY RELIEF.
- What is a Hydraulic System Flushing Block? 72 Items
- AHydraulic System Flushing Block(FLUSHING BLOCK,HYDRAULIC SYSTEM) is a ported device designed to be installed on a valve plate to eliminate the valve function during the flushing operation.
- What is a Linear Actuator Hydraulic-Pneumatic Parts Kit? 152 Items
- ALinear Actuator Hydraulic-Pneumatic Parts Kit(PARTS KIT,HYDRAULIC-PNEUMATIC,LINEAR ACTUATOR) is a parts kit used to repair an ACTUATOR, HYDRAULIC-PNEUMATIC, LINEAR. Excludes PARTS KIT (1), ELECTRO-MECHANICAL LINEAR ACTUATOR; PARTS KIT (1), LINEAR ACTUATING CYLINDER ASSEMBLY.
- What is a Rotary Actuator Hydraulic-Pneumatic Parts Kit? 181 Items
- ARotary Actuator Hydraulic-Pneumatic Parts Kit(PARTS KIT,HYDRAULIC-PNEUMATIC,ROTARY ACTUATOR) is a parts kit used to repair an ACTUATOR, HYDRAULIC-PNEUMATIC, ROTARY. Excludes PARTS KIT (1), ELECTRO-MECHANICAL ROTARY ACTUATOR.
- What is an Electro-Pneumatic Actuator Parts Kit? 46 Items
- AnElectro-Pneumatic Actuator Parts Kit(PARTS KIT,ELECTRO-PNEUMATIC ACTUATOR) is a parts kit used to repair an ACTUATOR, ELECTRO-PNEUMATIC.
- What is a Valve Positioner? 193 Items
- AValve Positioner(POSITIONER,VALVE) is a positive positioning relay devised to translate a variable signal pressure into a control pressure to precisely position a valve and to achieve a balanced instrument pressure. It is designed for use with pneumatically operated valves and actuators.
- What is a Torque Limiter Sleeve? 25 Items
- ATorque Limiter Sleeve(SLEEVE,TORQUE LIMITER) is a circular shaped item of any material designed to limit the torque of acuation cylinders.
- SLEEVE,DRIVE,VALVE 84 Items
- SUBPLATE,SOLENOID VALVE 73 Items
- MODIFICATION KIT,VALVE 135 Items
- PLATE,SPRING CARTRIDGE,ACTUATOR 25 Items
- HOUSING,PLUNGER,ACTUATOR 63 Items
- PLUNGER,ACTUATOR 193 Items
- ADJUSTING SLEEVE,ACTUATOR 38 Items
- VALVE,CONTROL,MAGNETIC 124 Items
- RING,VALVE PISTON 140 Items
- What is a Special Shaped Actuator Valve Diaphragm? 1714 Items
- ASpecial Shaped Actuator Valve Diaphragm(DIAPHRAGM,ACTUATOR VALVE,SPECIAL SHAPED) is an item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes DIAPHRA GM, VALVE, FLAT and GASKET.
- What is a Diaphragm Cover? 89 Items
- ADiaphragm Cover(COVER,DIAPHRAGM) is excludes COVER, SPEAKING DIAPHRAGM.
- What is a Globe-Check Valve? 216 Items
- AGlobe-Check Valve(VALVE,GLOBE-CHECK) is a valve with one inlet and one outlet connection designed for precise, adjustable control of the flow in one direction and free flow in the opposite direction. Precise control is provided by a threaded needle or stem which is lifted perpendicularly off the center axis of its seat. Free flow is provided by an internal by-pass check valve which operates independently of the needle or stem.
- What is a Valve Gland Flange? 631 Items
- AValve Gland Flange(FLANGE,GLAND,VALVE) is an oval, rectangular, or round shaped item, bearing internally against a packing or a packing gland, used to compress packing. It consists of two or more mounting holes or slots.
- What is a Selector Rotary Valve? 1325 Items
- ASelector Rotary Valve(VALVE,ROTARY,SELECTOR) is a manually or power operated valve designed to control the flow of a fluid by the rotation of a ported or curved rotor. A spring, ball, or cam detent may be included to locate or hold position. The item may be panel or subplate mounted, or be an inline design. Excludes VALVE, PLUG. See also VALVE, LINEAR, DIRECTIONAL CONTROL.
- What is a Directional Control Linear Valve Body And Slide? 150 Items
- ADirectional Control Linear Valve Body And Slide(BODY AND SLIDE,DIRECTIONAL CONTROL LINEAR VALVE) is an item consisting of a BODY, VALVE and a SLIDE, DIRECTIONAL CONRTOL LINEAR VALVE. It may be furnished unassembled, matched, or assembled. See also SLEEVE AND SLIDE, DIRECTIONAL CONTROL LINEAR VALVE and PARTS KIT (1), LINEAR DIRECTIONAL CONTROL VALVE.
- What is a Directional Control Linear Valve Sleeve And Slide? 1437 Items
- ADirectional Control Linear Valve Sleeve And Slide(SLEEVE AND SLIDE,DIRECTIONAL CONTROL LINEAR VALVE) is an item consisting of a SLEEVE, DIRECTIONAL CONTROL LINEAR VALVE and a SLIDE DIRECTIONAL CONTROL LINEAR VALVE. It may be furnished unassembled, matched, or assembled. See also BODY AND SLIDE, DIRECTIONAL CONTROL LINEAR VALVE; PARTS KIT (1), LINEAR DIRECTIONAL CONTROL VALVE.
- What is a Flow Control Valve? 5107 Items
- AFlow Control Valve(VALVE,FLOW CONTROL) is an inline or cartridge type item designed to control the flow of fluids within a closed system. Excludes items actuated by a predetermined pressure and/or temperature, items designed for use with breathing gasses, or those designed to vent or calibrate fluids.
- What is a Valve Assembly? 3898 Items
- AValve Assemblyis an assembly of items consisting of two or more complete valves on a common mounting; mounted on each other; or joined together with fitting(s), hose(s), tube(s), pipe(s), or the like. For items consisting of two or more valves in a common body, See VALVE ASSEMBLY, MANIFOLD.
- What is a Manifold Valve Assembly? 3191 Items
- AManifold Valve Assembly(VALVE ASSEMBLY,MANIFOLD) is a device consisting of two or more valves of the same or different type in a common body or housing. It may have multiple end connections, and the valves function(s) may or may not be dependent of each other. For items consisting of two or more complete valves joined together, See VALVE ASSEMBLY.
- What is a Valve Repair Kit? 1311 Items
- AValve Repair Kit(REPAIR KIT,VALVE) is a repair kit consisting of parts and tool(s) used to repair a VALVE (as modified).
- What is a Valve Tailpiece? 296 Items
- AValve Tailpiece(TAILPIECE,VALVE) is a removable item within the valve body, designed to serve as an end connection and provide access for inspection or replacement of internal parts. Excludes TAILPIECE, UNION; fittings; and ADAPTER as modified.
- What is a Valve Seat Retainer? 623 Items
- AValve Seat Retainer(RETAINER,SEAT,VALVE) is an item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve seat, allowing proper positioning of the seat with a flow control device.
- What is a Fluid Pressure Relay Valve? 46 Items
- AFluid Pressure Relay Valve(VALVE,RELAY,FLUID PRESSURE) is an item used to change a mechanical input to a pneumatic output signal for a rack transmitter.
- What is a Valve Cover Plate? 414 Items
- AValve Cover Plate(COVER PLATE,VALVE) is a rigid item varied in size and shape. It is normally located on the bottom of a valve. It must have drilled and/or tapped holes for mounting purposes.
- What is a Flat Valve Diaphragm? 2522 Items
- AFlat Valve Diaphragm(DIAPHRAGM,VALVE,FLAT) is an item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not be formed or molded to have a beaded or rolled edge, ribs, or any other raised surfaces. The item may contain bolt holes and/or a center hole. Excludes DIAPHRAGM, VALVE, SPECIAL SHAPED and GASKET.
- PARTS KIT,PLUG VALVE 199 Items
- What is a Stop And Stop Check Valve? 114 Items
- AStop And Stop Check Valve(VALVE,STOP AND STOP CHECK) is a combination of two valves, one a stop valve, the other a stop check valve, either in the same body, or in separate bodies bolted together, used to control the admission of feed water to a boiler, to prevent the return of water or steam from the boiler, and to provide a means of shutting off the feed line between the stop check valve and the steam drum or economizer.
- What is a Hydraulic Servovalve? 397 Items
- AHydraulic Servovalve(SERVOVALVE,HYDRAULIC) is an item which controls both the direction and the rate of flow of fluid in direct response to a primary control of comparatively low level force. It is used for positioning a linear actuating cylinder assembly, and for controlling the rate of travel of the piston. The primary control force may be mechanical, hydraulic, and/or electrical.
- What is a Valve Rotary Plug? 512 Items
- AValve Rotary Plug(PLUG,ROTARY,VALVE) is a cylindrical or tapered item with ports or segments designed to stop or control the flow of fluid in a VALVE, PLUG, or the like. It may have an integral stem for connection to a handle, lever, rotary actuator, or the like.
- What is a Directional Control Linear Valve Sleeve? 761 Items
- ADirectional Control Linear Valve Sleeve(SLEEVE,DIRECTIONAL CONTROL LINEAR VALVE) is a cylindrical item with an opening throughout its length which may be of cylindrical or other cross-sectional shape. It has external grooves for fluid flow, and may have external packing grooves. This item provides internal porting for various inlet and outlet ports of a directional control linear valve.
- What is a Directional Control Linear Valve Slide? 1494 Items
- ADirectional Control Linear Valve Slide(SLIDE,DIRECTIONAL CONTROL LINEAR VALVE) is an item which may have a cylindrical or other cross-sectional shape, with recess areas on the periphery. It is designed to control the flow direction in a linear directional control valve by the selection of various inlet and outlet ports in a sleeve or the valve body. The slide reciprocates thus mating recess areas with the various ports in the sleeve or valve body. It may have an off (no flow) position.
- What is a Directional Control Linear Valve? 10730 Items
- ADirectional Control Linear Valve(VALVE,LINEAR,DIRECTIONAL CONTROL) is a manually or power operated valve having three or more ports. The direction of the flow through the various ports is controlled by either one or more reciprocating slide(s) or spool(s) with recess areas which mate with ports in an integral or replaceable ported sleeve, or one or more poppet(s). It is designed to change the direction of fluid flow from one valve port to another. An off (no flow) position is not a flow pattern. The valve is designed to actuate various components of a fluid system. A power operated valve may have a manual override. For items which stop, start, or change the flow of fluid, see: VALVE, SOLENOID. Excludes VALVE, PLUG. See also SERVOVALVE, HYDRAULIC; BODY SECTION, WORKING, LINEAR DIRECTIONAL CONTROL VALVE; and VALVE ASSEMBLY.
- What is a Hydrostatic Unit? 10 Items
- AHydrostatic Unitis an item designed to be actuated by hydrostatic pressure. It's function is to lock or unlock a central release mechanism to lower or raise a life boat.
- What is a Double Flow Control Valve? 21 Items
- ADouble Flow Control Valve(VALVE,FLOW CONTROL,DOUBLE) is a symmetrically arranged assembly of two VALVE, FLOW CONTROL.
- What is a Bonnet And Bellows And Stem Valve Assembly? 27 Items
- ABonnet And Bellows And Stem Valve Assembly(VALVE ASSEMBLY,BONNET AND BELLOWS AND STEM) is an assembly of items which form the controlling portion of a valve.
- What is a Valve Gagging Device? 10 Items
- AValve Gagging Device(GAGGING DEVICE,VALVE) is a device designed to lock in a definite position or prevent the opening at the set pressure a VALVE,PURGE; VALVE,SAFETY RELIEF; VALVE,CHECK; VALVE,BALL and the like.
