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National Stock Number:
4820-01-302-1887
Federal Supply Class:
4820
National Item Identification Number:
013021887
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:
| 5550531 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5550531-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 559T-6M-90 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | STEEL COMP 303 BODYRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSEACETYLENE 2ND RESPONSEAMMONIA, GASEOUS 3RD RESPONSEREFRIGERANT 12 4TH RESPONSEHYDROGEN 5TH RESPONSE | | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 90.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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