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National Stock Number:
4820-00-803-3136
Federal Supply Class:
4820
National Item Identification Number:
008033136
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:
| 2271439-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 559A-1M-10 | 91816 | CIRCOR AEROSPACE, INC. | | 7LV221-10 | 26044 | SAF INDUSTRIES LLC | | 632869-3 | 56232 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | ACETYLENE SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN FIFTH RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 FOURTH RESPONSE | | NOMINAL THREAD SIZE | 0.125 INCHES FIRST END | | OPENING PRESSURE SETTING | 10.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | POP-OFF TYPE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | NPT FIRST END |
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