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National Stock Number:
4820-00-131-1745
Federal Supply Class:
4820
National Item Identification Number:
001311745
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:
| 5AC12195 | 35301 | DRESSER INDUSTRIES INC LEROI DIV | | H15-1377-4 | 35301 | DRESSER INDUSTRIES INC LEROI DIV | | H15-819-1 | 35301 | DRESSER INDUSTRIES INC LEROI DIV |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 2ND END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | BALL | | MATERIAL | COPPER ALLOY STEM | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | RUBBER SYNTHETIC PACKING | | MATERIAL | STEEL FLOW CONTROL DEVICE | | NOMINAL THREAD SIZE | 0.125 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | OPENING PRESSURE SETTING | 175.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT 1ST END | | THREAD SERIES DESIGNATOR | NPT 2ND END | | VALVE OPERATION METHOD | AUTOMATIC |
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