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 DIAMETER5.500 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES 1ST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
BOLT HOLE NOMINAL DIAMETER0.750 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES 2ND END
BOLT HOLE QUANTITY4 2ND END
BOLT HOLE QUANTITY8 1ST END
FIRST CONNECTION FACE TO CENTERLINE DISTANCE6.750 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLANGE SHAPEROUND WITH HOLES 2ND END
FLOW CONTROL DEVICEDISK
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING PRESSURE1480.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER7.000 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER9.000 INCHES 1ST END
NOMINAL THICKNESS0.625 INCHES 2ND END
NOMINAL THICKNESS0.875 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER4.125 INCHES 2ND END
RAISED FACE NOMINAL HEIGHT0.062 INCHES 2ND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.125 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.500 INCHES


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