4730-01-056-4741 CLAMP,HOSE Index 4820-01-056-4743 YOKE BUSHING,VALVE

National Stock Number:
4820-01-056-4742

Federal Supply Class:
4820

National Item Identification Number:
010564742

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:
1213T-4BB-1591816CIRCOR AEROSPACE, INC.
GV500LJ726512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
FLOW CONTROL DEVICEPLUG
MATERIALPLASTIC POLYPROPYLENE SEAT
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP240.0 FAHRENHEIT 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN 4TH RESPONSE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 3RD RESPONSE
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS


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