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National Stock Number:
4820-01-257-8680
Federal Supply Class:
4820
National Item Identification Number:
012578680
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:
| 527-350PSI | 28193 | HENRY TECHNOLOGIES, INC. | | 527E-350PSI | 28193 | HENRY TECHNOLOGIES, INC. | | B527-350 | 28193 | HENRY TECHNOLOGIES, INC. | | B527E | 28193 | HENRY TECHNOLOGIES, INC. |
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Techincal Specification:
| CONNECTION STYLE | FLARED (TUBE) SECOND END | | CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | CONNECTION TYPE | THREADED EXTERNAL TUBE SECOND END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY SEAT | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 22 SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 502 THIRD RESPONSE | | NOMINAL THREAD SIZE | 0.500 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.875 INCHES SECOND END | | OPENING PRESSURE SETTING | 350.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 45.0 DEGREES SECOND END | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD CLASS | 3A SECOND END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT FIRST END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
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