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National Stock Number:
4820-00-739-5146
Federal Supply Class:
4820
National Item Identification Number:
007395146
Description:
VALVE,LIFT-CHECK
Detail:
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.
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Manufacturer Information:
| 7U7174-1 | 60029 | WOODWARD HRT, INC. |
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Techincal Specification:
| DISK LOADING METHOD | SPRING | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | INTEGRAL | | CENTER TO CENTER DISTANCE | 1.156 INCHES | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | ALUMINUM ALLOY 2024 SEAT | | MATERIAL | STEEL STEM | | MATERIAL | STEEL FLOW CONTROL DEVICE | | PROPRIETARY CHARACTERISTICS | PACS | | MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.187 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.375 INCHES 1ST END | | OFFSET DISTANCE | 0.187 INCHES | | SEAT ANGLE | 37.0 DEGREES 1ST END | | VALVE OPERATION METHOD | AUTOMATIC | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3B 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD QUANTITY PER INCH | 24 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END |
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