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National Stock Number:
4820-00-618-4989
Federal Supply Class:
4820
National Item Identification Number:
006184989
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:
| 11241398-1 | 17773 | BALLISTIC MISSILE DEFENSE SYSTEMS COMMAND | | 1390883 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 559B-2M-20 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +10.0 TO 30.0 POUNDS PER SQUARE INCH | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | COPPER ALLOY OVERALL | | MEDIA FOR WHICH DESIGNED | ACETYLENE 2ND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS 3RD RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN 5TH RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 4TH RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | POP-OFF TYPE | | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | THREAD QUANTITY PER INCH | 18 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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