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National Stock Number:
4820-00-883-2228
Federal Supply Class:
4820
National Item Identification Number:
008832228
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:
| A244974 | 32537 | JOY GLOBAL UNDERGROUND MINING LLC | | A244974 | 83179 | JOY MFG CO AIR POWER GROUP MICHIGAN CITY PLANT |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | COPPER ALLOY OVERALL | | FLOW CONTROL DEVICE | POPPET | | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | | THREADED EXTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END | | PLAIN (PIPE) 2ND END | | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES 1ST END | | 0.750 INCHES 2ND END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | NPT 2ND END | | NOMINAL THREAD SIZE | 1.000 INCHES 1ST END | | 0.750 INCHES 2ND END | | THREAD QUANTITY PER INCH | 11-1/2 1ST END | | 14 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 140.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND | | PRESSURE TIGHT OUTLET SIDE |
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