4820-01-204-9474 VALVE,SAFETY RELIEF Index 4820-01-204-9476 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-204-9475

Federal Supply Class:
4820

National Item Identification Number:
012049475

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:
D50J-S0-21-J01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SD-120 D-50J929T1010PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SD-120 D-50J929T1010PSI75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+929.0 TO 1010.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES SECOND END
BOLT HOLE QUANTITY4 SECOND END
BOLT HOLE QUANTITY8 FIRST END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE6.750 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT SECOND END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE1480.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL CORROSION RESISTING STEM
NOMINAL OUTSIDE DIAMETER7.000 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER9.000 INCHES FIRST END
NOMINAL THICKNESS0.625 INCHES SECOND END
NOMINAL THICKNESS0.875 INCHES FIRST END
RAISED FACE NOMINAL DIAMETER4.125 INCHES SECOND END
RAISED FACE NOMINAL HEIGHT0.062 INCHES SECOND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.125 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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