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National Stock Number:
4820-01-037-8252
Federal Supply Class:
4820
National Item Identification Number:
010378252
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:
| 3120-325PSIG | 58553 | SUPERIOR VALVE CO | | 3220-325PSI | 58553 | SUPERIOR VALVE CO | | R36D-325PSIG | 33334 | KEROTEST MANUFACTURING CORP. |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 2ND END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | PLASTIC POLYCHLOROTRIFLUOROETHYLENE FLOW CONTROL DEVICE | | MAXIMUM OPERATING PRESSURE | 325.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 300.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 22 SINGLE RESPONSE | | NOMINAL THREAD SIZE | 0.500 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.875 INCHES 1ST END | | OPENING PRESSURE SETTING | 325.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 37.0 DEGREES 1ST END | | STYLE DESIGNATOR | ANGLE | | THREAD CLASS | 2A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD SERIES DESIGNATOR | NPT 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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