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National Stock Number:
4820-00-332-8260
Federal Supply Class:
4820
National Item Identification Number:
003328260
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:
| 52-33-2 | 98391 | ARKWIN INDUSTRIES, INC. |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL (BOSS) FIRST END | | CONNECTION TYPE | THREADED INTERNAL TUBE SECOND END | | CONNECTION TYPE | THREADED INTERNAL TUBE FIRST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | STEEL FLOW CONTROL DEVICE | | MATERIAL | STEEL SEAT | | MAXIMUM OPERATING TEMP | 160.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | MOUNTING FACILITY | THREADED FASTENER | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.562 INCHES FIRST END | | SPECIAL FEATURES | 0.250 IN. STROKE FOR REVERSE FLOW RIGHT HAND BODY | | SEAT ANGLE | 45.0 DEGREES FIRST END | | STYLE DESIGNATOR | ANGLE | | SUPPLEMENTARY FEATURES | OPTIONAL FLOW CONTROL DEVICE: STEM | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3B FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | THREAD QUANTITY PER INCH | 18 FIRST END |
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