4820-01-301-7984 VALVE,SAFETY RELIEF Index 4810-01-301-7986 VALVE,SOLENOID

National Stock Number:
4820-01-301-7985

Federal Supply Class:
4820

National Item Identification Number:
013017985

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:
16961-F SN 91516-19-A1072352CURTISS-WRIGHT FLOW CONTROL CORPORATION
26DA12-170 1IN SET 600PSI72352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.625 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.625 INCHES 2ND END
BOLT HOLE QUANTITY4 1ST END
BOLT HOLE QUANTITY4 2ND END
BOLT CIRCLE NOMINAL DIAMETER3.500 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES 1ST END
CONNECTION TYPEFLANGE 1ST END
CONNECTION TYPEFLANGE 2ND END
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
FLANGE FACE DESIGNRAISED STRAIGHT 2ND END
FLANGE SHAPEROUND WITH HOLES 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLOW CONTROL DEVICEDISK
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING STEM
NOMINAL OUTSIDE DIAMETER4.875 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER6.000 INCHES 1ST END
NOMINAL THICKNESS0.625 INCHES 1ST END
NOMINAL THICKNESS0.688 INCHES 2ND END
OPENING PRESSURE SETTING600.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER2.000 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER4.000 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.063 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.500 INCHES 2ND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.125 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.000 INCHES


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