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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 STYLE | FLARED (TUBE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | STEEL CORROSION RESISTING BODY | | MAXIMUM OPERATING TEMP | -40.0 FAHRENHEIT FIRST RESPONSE | | MAXIMUM OPERATING TEMP | 280.0 FAHRENHEIT SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | ACETYLENE FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, INERT THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN FOURTH RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 FIFTH RESPONSE | | NOMINAL THREAD SIZE | 0.438 INCHES FIRST END | | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 37.0 DEGREES FIRST END | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. | | THREAD CLASS | 3A FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
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