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National Stock Number:
4820-00-569-4551
Federal Supply Class:
4820
National Item Identification Number:
005694551
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:
| SV1-4-185 | 98182 | H.E.F. CORPORATION | | SVX1-4X185 | 98182 | H.E.F. CORPORATION |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 2ND END | | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | BALL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.500 INCHES 2ND END | | OPENING PRESSURE SETTING | 185.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | TWO 0.125 IN. DIA 0.125 IN. DEEP HOLES ON EA SIDE SPACED 180 DEG APART,HEX WRENCHING FEATURES | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD CLASS | 2A 2ND END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | THREAD SERIES DESIGNATOR | UNF 2ND END | | VALVE OPERATION METHOD | AUTOMATIC |
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