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National Stock Number: 4820-00-454-1087
Federal Supply Class: 4820
National Item Identification Number: 004541087
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:
3120-350 | 58553 | SUPERIOR VALVE CO |
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Techincal Specification:
STYLE DESIGNATOR | ANGLE | VALVE OPERATION METHOD | AUTOMATIC | MATERIAL | COPPER ALLOY BODY | | STEEL CORROSION RESISTING SEAT | FLOW CONTROL DEVICE | DISK | VALVE DISCHARGE FLOW RATE | 302.0 CUBIC FEET PER MINUTE | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED EXTERNAL PIPE 2ND END | CONNECTION STYLE | FLARED (TUBE) 1ST END | | PLAIN (PIPE) 2ND END | SEAT ANGLE | 37.0 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 | | NPTF 2ND END | NOMINAL THREAD SIZE | 0.875 INCHES 1ST END | | 0.500 INCHES 2ND END | THREAD CLASS | 3A 1ST END | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | BONNET TYPE | INSIDE SCREW | BONNET ATTACHMENT METHOD | INTEGRAL | DISK LOADING METHOD | SPRING | OPENING PRESSURE SETTING | 300.0 POUNDS PER SQUARE INCH |
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