4820-01-274-3611 VALVE,SAFETY RELIEF Index 4820-01-274-3613 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-274-3612

Federal Supply Class:
4820

National Item Identification Number:
012743612

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:
26JB10-120 136T152PSI72352CURTISS-WRIGHT FLOW CONTROL CORPORATION
26JB10-120 SET 150PSI72352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES 1ST END
CONNECTION TYPEFLANGE ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL COMP 416 STEM
MATERIALSTEEL UNS J03002 BODY
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE230.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MINIMUM OPERATING TEMP-20.0 FAHRENHEIT
NOMINAL OUTSIDE DIAMETER6.000 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER7.500 INCHES 1ST END
NOMINAL THICKNESS0.750 INCHES 2ND END
NOMINAL THICKNESS0.938 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER3.625 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER5.000 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SPECIAL FEATURESPRESSURE SET AT 150 PSI AND RESET AT 135 PSI.
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.000 INCHES


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