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National Stock Number:
4820-00-261-9590
Federal Supply Class:
4820
National Item Identification Number:
002619590
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:
| 3120-425 | 58553 | SUPERIOR VALVE CO | | 3220-425 | 58553 | SUPERIOR VALVE CO | | VAL234 | 60532 | TRANE U.S. INC. |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | COPPER ALLOY OVERALL | | FLOW CONTROL DEVICE | POPPET | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED EXTERNAL PIPE 2ND END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | PLAIN (PIPE) 2ND END | | SEAT ANGLE | 45.0 DEGREES 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.625 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | NPT 2ND END | | NOMINAL THREAD SIZE | 0.875 INCHES 1ST END | | 0.500 INCHES 2ND END | | THREAD QUANTITY PER INCH | 14 2ND END | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 425.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND | | PRESSURE TIGHT OUTLET SIDE | | SPECIAL FEATURES | THE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET |
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