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National Stock Number:
4820-01-215-8690
Federal Supply Class:
4820
National Item Identification Number:
012158690
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:
| 562A-4TB-50 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | OIL 1ST RESPONSE | | AIR 2ND RESPONSE | | WATER-OIL-GAS 3RD RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 300.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED INTERNAL BOSS 2ND END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END | | GASKET SEAL(BOSS) 2ND END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | UNF 2ND END | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | 0.4375 INCHES 2ND END | | THREAD QUANTITY PER INCH | 20 1ST END | | 20 2ND END | | THREAD CLASS | 3A 1ST END | | 3B 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
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