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National Stock Number:
4820-01-258-1037
Federal Supply Class:
4820
National Item Identification Number:
012581037
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:
| 11186-502 | 04953 | EDO AIL SYSTEMS INC | | SS-4R3A5-B | 02570 | SWAGELOK CO | | SS-4R3A5-B | 18034 | NUPRO CO | | SS-4R3A5-B | 3T9T9 | SWAGELOK CO |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 2ND END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MAXIMUM OPERATING TEMP | 21.0 CELSIUS 2ND RESPONSE | | MAXIMUM OPERATING TEMP | 70.0 FAHRENHEIT 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, SALT 2ND RESPONSE | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 502.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC |
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