4820-01-062-7384 VALVE,SAFETY RELIEF Index 4820-01-062-7386 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-062-7385

Federal Supply Class:
4820

National Item Identification Number:
010627385

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:
5159T-4TB-3091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPENING PRESSURE SETTING30.0 POUNDS PER SQUARE INCH
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT 1ST RESPONSE275.0 FAHRENHEIT 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN 4TH RESPONSE
MEDIA FOR WHICH DESIGNEDNITROGEN, GASEOUS 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC 3RD RESPONSE
NOMINAL THREAD SIZE0.438 INCHES 1ST END
NOMINAL THREAD SIZE0.438 INCHES 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORUNF 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END


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