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National Stock Number:
4820-00-794-4869
Federal Supply Class:
4820
National Item Identification Number:
007944869
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 29A-250 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | X1396T2-250 | 0AT62 | SIEMENS ENERGY, INC. | | X1396T2-250 | 30760 | INGERSOLL RAND CO | | X1396T2-250 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | X1396T2-250 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE | | X1396T2-250 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +1.0 TO 250.0 POUNDS PER SQUARE INCH | | BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | INSIDE SPRING | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | CONE | | MATERIAL | COPPER ALLOY OVERALL | | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, INERT 2ND RESPONSE | | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END | | OPENING PRESSURE SETTING | 250.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | HAS MANUAL TEST LEVER | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | VALVE DISCHARGE FLOW RATE | 326.0 CUBIC FEET PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC |
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