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National Stock Number:
4820-01-218-1801
Federal Supply Class:
4820
National Item Identification Number:
012181801
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:
| 4702K11 | 39428 | MCMASTER-CARR SUPPLY CO | | 4702R11 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS | | MATERIAL | COPPER ALLOY BODY | | MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, FRESH 2ND RESPONSE | | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | VALVE OPERATION METHOD | MANUAL |
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