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National Stock Number:
4820-00-134-4475
Federal Supply Class:
4820
National Item Identification Number:
001344475
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:
| 2C9146-1 | 99240 | CRISSAIR INC |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | INSIDE SCREW | | CENTER TO CENTER DISTANCE | 1.500 INCHES | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | STEEL COMP 440A FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 275.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE | | MOUNTING FACILITY | BRACKET | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3B 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
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