4820-01-072-9531 VALVE,CHECK Index 4820-01-072-9533 VALVE,BALL

National Stock Number:
4820-01-072-9532

Federal Supply Class:
4820

National Item Identification Number:
010729532

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:
4820PL15731859009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
C105881755LOCKHEED MARTIN CORPORATION
C1058A4D4081755LOCKHEED MARTIN CORPORATION
D539A-4M-4091816CIRCOR AEROSPACE, INC.
D559A-4M-4091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) 1ST END
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR BODY
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 4TH RESPONSE
NOMINAL THREAD SIZE0.500 INCHES 1ST END
OPENING PRESSURE SETTING40.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
SURFACE TREATMENTANODIZE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODAUTOMATIC


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