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National Stock Number:
4820-00-073-1775
Federal Supply Class:
4820
National Item Identification Number:
000731775
Description:
VALVE,SAFETY RELIEF
Detail:
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.
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Manufacturer Information:
| 1A057 | 98391 | ARKWIN INDUSTRIES, INC. | | 1A057-1 | 98391 | ARKWIN INDUSTRIES, INC. |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +3000.0 TO 4000.0 POUNDS PER SQUARE INCH | | BONNET ATTACHMENT METHOD | PRESSURE SEAL, RING TYPE | | BONNET TYPE | INSIDE SPRING | | CONNECTION STYLE | GASKET SEAL(BOSS) 1ST END | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE | | MAXIMUM OPERATING PRESSURE | 4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | OPENING PRESSURE SETTING | 4000.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | REVERSE FLOW | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3B 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | VALVE OPERATION METHOD | MANUAL | | VALVE DISCHARGE FLOW RATE | 1.0 GALLONS PER MINUTE |
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