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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:
| VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | STEEL COMP 303 OVERALL | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | FUEL/OIL, HYDROCARBON 2ND RESPONSE | | HELIUM 3RD RESPONSE | | HYDROGEN 4TH RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | THREADED EXTERNAL BOSS 2ND END | | CONNECTION STYLE | GASKET SEAL(BOSS) 1ST END | | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | UNJ 2ND END | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | 0.562 INCHES 2ND END | | THREAD QUANTITY PER INCH | 18 2ND END | | THREAD CLASS | 3B 1ST END | | 3A 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 90.0 POUNDS PER SQUARE INCH |
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