4820-01-305-5758 VALVE,SAFETY RELIEF Index 4820-01-305-5760 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-305-5759

Federal Supply Class:
4820

National Item Identification Number:
013055759

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:
5159-T8TB-L35091816CIRCOR AEROSPACE, INC.
K5159 T-8TB L35091816CIRCOR AEROSPACE, INC.


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SPRING
CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL COMP 303 OVERALL
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON 3RD RESPONSE
NOMINAL THREAD SIZE0.750 INCHES 1ST END
NOMINAL THREAD SIZE0.750 INCHES 2ND END
OPENING PRESSURE SETTING350.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES 1ST END
SPECIAL FEATURESWITH LOCKWIRE
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD CLASS3B 1ST END
THREAD SERIES DESIGNATORNPT 2ND END
THREAD SERIES DESIGNATORUNJ 1ST END
THREAD QUANTITY PER INCH16 1ST END
VALVE OPERATION METHODAUTOMATIC


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