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National Stock Number:
4820-01-279-2983
Federal Supply Class:
4820
National Item Identification Number:
012792983
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:
| 42502-3310 | 52253 | FLUID MECHANICS VALVE COMPANY |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL(BOSS) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAT | | NOMINAL THREAD SIZE | 0.750 INCHES SECOND END | | NOMINAL THREAD SIZE | 1.062 INCHES FIRST END | | OPENING PRESSURE SETTING | 660.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD CLASS | 3B ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UN FIRST END | | THREAD SERIES DESIGNATOR | UNF SECOND END | | THREAD QUANTITY PER INCH | 12 FIRST END |
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