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National Stock Number:
4820-01-280-2983
Federal Supply Class:
4820
National Item Identification Number:
012802983
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:
| 1/2 FIGURE 80-4S 20IN HG | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | 2503156 | 47WD8 | EVAC NORTH AMERICA INC | | C10977 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | 2503156 | 58568 | ENVIROVAC INC DBA MONOGRAM SYSTEMS-ROCKFORD DIV |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 2ND END | | FLOW CONTROL DEVICE | BALL | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MATERIAL | STEEL CORROSION RESISTING SEAT | | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.750 INCHES 2ND END | | SPECIAL FEATURES | VALVE IS USED AS A VACUUM RELIEF VALVE SET AT 20 INCH HG VACUUM | | 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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