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National Stock Number:
4820-01-420-8500
Federal Supply Class:
4820
National Item Identification Number:
014208500
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:
| 559A-2MP-10 | 91816 | CIRCOR AEROSPACE, INC. | | 7M666D2-10 | 76301 | THE BOEING COMPANY |
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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 | ALUMINUM BODY | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | ACETYLENE 1ST RESPONSE | | AIR 2ND RESPONSE | | AMMONIA, GASEOUS 3RD RESPONSE | | HYDROGEN 4TH 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 | | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | PLAIN,OPTIONAL END(PIPE) 2ND END | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 10.0 POUNDS PER SQUARE INCH | | MINIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT |
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