4820-01-198-8609 VALVE,SAFETY RELIEF Index 4820-01-198-8611 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-198-8610

Federal Supply Class:
4820

National Item Identification Number:
011988610

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:
3K4J0SE25C 160T186PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
D20K3X4IN160T186PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SD-12101343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SD-121-3/4IN160T186PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
SD12175954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
D20K3X4IN160T186PSI75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
SD121-3X4IN160T186PSI75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+160.0 TO 186.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER6.625 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES FIRST END
BOLT HOLE QUANTITY8 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE6.375 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL BODY
NOMINAL OUTSIDE DIAMETER8.250 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER9.000 INCHES SECOND END
NOMINAL THICKNESS0.938 INCHES SECOND END
NOMINAL THICKNESS1.125 INCHES FIRST END
RAISED FACE NOMINAL DIAMETER1.688 INCHES SECOND END
RAISED FACE NOMINAL HEIGHT0.062 INCHES SECOND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.125 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE3.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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