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National Stock Number:
4820-00-072-8510
Federal Supply Class:
4820
National Item Identification Number:
000728510
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:
| 10516717 | 19200 | US ARMY ARDEC RDECOM | | 2904768-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 559T-1M-4 | 91816 | CIRCOR AEROSPACE, INC. | | 559T1-1M-4 | 91816 | CIRCOR AEROSPACE, INC. | | 4820000728510 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 4820000728510 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 773372-1 | 56232 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | STEEL COMP 316 BODY | | STEEL COMP 316 AND | | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE | | STEEL COMP 316 SEAT | | SURFACE TREATMENT | PASSIVATE | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | ACETYLENE 2ND RESPONSE | | AMMONIA, GASEOUS 3RD RESPONSE | | REFRIGERANT 12 4TH RESPONSE | | HYDROGEN 5TH RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | NOMINAL THREAD SIZE | 0.125 INCHES 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 4.0 POUNDS PER SQUARE INCH | | ADJUSTABLE PRESSURE RANGE | 2.5 TO 5.9 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | SPECIAL FEATURES | POP-OFF TYPE |
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