4820-01-019-4648 VALVE,CHECK Index 4820-01-019-4651 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-019-4650

Federal Supply Class:
4820

National Item Identification Number:
010194650

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.


Manufacturer Information:
10238-9PC701496AIR DRY CO OF AMERICA, LLC
10238-9PC799447COOPER INTERCONNECT, INC.
6153-30-301496AIR DRY CO OF AMERICA, LLC
D559A-4D-391816CIRCOR AEROSPACE, INC.
6153-30-399447COOPER INTERCONNECT, INC.


Techincal Specification:
CONNECTION STYLEPLAIN (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,ALLOY 2024,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
MAXIMUM OPERATING TEMP280.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM FIFTH RESPONSE
MINIMUM OPERATING TEMP-40.0 FAHRENHEIT
NOMINAL THREAD SIZE0.438 INCHES FIRST END
OPENING PRESSURE SETTING3.0 POUNDS PER SQUARE INCH
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
THREAD CLASS3A FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END


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