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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:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | COPPER ALLOY BODY | | COPPER ALLOY FLOW CONTROL DEVICE | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | GAS, INERT 2ND RESPONSE | | STEAM 3RD RESPONSE | | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | -75.0 DEG FAHRENHEIT 1ST RESPONSE | | 406.0 DEG FAHRENHEIT 2ND RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | PLAIN,OPTIONAL END(PIPE) 2ND END | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END | | 1.000 INCHES 2ND END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
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