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National Stock Number:
4820-01-223-8651
Federal Supply Class:
4820
National Item Identification Number:
012238651
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:
| 559T6DB90 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END | | CONNECTION STYLE | GASKET SEAL(BOSS) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS SECOND END | | CONNECTION TYPE | THREADED INTERNAL BOSS FIRST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | STEEL COMP 303 OVERALL | | MAXIMUM OPERATING TEMP | 275.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | HELIUM THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN FOURTH RESPONSE | | NOMINAL THREAD SIZE | 0.562 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.562 INCHES SECOND END | | OPENING PRESSURE SETTING | 90.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC | | THREAD CLASS | 3A SECOND END | | THREAD CLASS | 3B FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD DIRECTION | RIGHT-HAND SECOND END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) SECOND END | | THREAD QUANTITY PER INCH | 18 SECOND END |
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