4820-01-490-6343 VALVE,CHECK Index 5998-01-490-6345 CIRCUIT CARD ASSEMBLY

National Stock Number:
4820-01-490-6344

Federal Supply Class:
4820

National Item Identification Number:
014906344

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:
D559TP-1M-2891816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE 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
MATERIALRUBBER SEAT
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN FIFTH RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.125 INCHES FIRST END
NOMINAL THREAD SIZE0.125 INCHES FIRST END
OPENING PRESSURE SETTING28.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESBUNA N SEAL
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
SURFACE TREATMENTPASSIVATE LOCATION NOT OTHERWISE SPECIFIED
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END


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