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National Stock Number:
4820-01-124-9979
Federal Supply Class:
4820
National Item Identification Number:
011249979
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:
| 559B-1M-8 | 70210 | HONEYWELL INTERNATIONAL INC. | | 559B-1M-8 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY SEAT | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, INERT FIFTH RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN FOURTH RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 THIRD RESPONSE | | NOMINAL THREAD SIZE | 0.125 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 8.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | CHROMIUM LOCATION NOT OTHERWISE SPECIFIED | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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