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National Stock Number:
4820-01-237-8321
Federal Supply Class:
4820
National Item Identification Number:
012378321
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:
| 1471-214675-1/2IN100T135RG | 16497 | DRESSER, INC. | | 2471-214675-1/2IN100T135PSI | 16497 | DRESSER, INC. |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) SECOND END | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | CONNECTION TYPE | THREADED INTERNAL PIPE SECOND END | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | -75.0 FAHRENHEIT FIRST RESPONSE | | MAXIMUM OPERATING TEMP | 406.0 FAHRENHEIT SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, INERT SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM THIRD RESPONSE | | NOMINAL THREAD SIZE | 0.500 INCHES FIRST END | | NOMINAL THREAD SIZE | 1.000 INCHES SECOND END | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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