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National Stock Number:
4820-01-151-5605
Federal Supply Class:
4820
National Item Identification Number:
011515605
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:
| 559T-4D-20 | 91816 | CIRCOR AEROSPACE, INC. | | KT-3225-1 | 25573 | ENTWISTLE CO THE KENETT HYDRAULIC SYSTEMS DIV | | KT-3225-1 ITEM13 | 20722 | THE ENTWISTLE COMPANY LLC | | KT-3225-1 ITEM13 | 25573 | ENTWISTLE CO THE KENETT HYDRAULIC SYSTEMS DIV |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | STEEL CORROSION RESISTING BODY | | MAXIMUM OPERATING TEMP | -40.0 FAHRENHEIT 1ST RESPONSE280.0 FAHRENHEIT 2ND RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | ACETYLENE 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 2ND RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, INERT 3RD RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN 4TH RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 5TH RESPONSE | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 37.0 DEGREES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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