4820-01-309-8108 VALVE,SAFETY RELIEF Index 4820-01-309-8110 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-309-8109

Federal Supply Class:
4820

National Item Identification Number:
013098109

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:
TBB4-F1NA11001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
TBB4-F1NA11075954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
TBB4-FINA11075954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER3.500 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER3.875 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE2.250 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALSTEEL STEM
NOMINAL OUTSIDE DIAMETER4.625 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER5.000 INCHES FIRST END
NOMINAL THICKNESS0.406 INCHES SECOND END
NOMINAL THICKNESS0.438 INCHES FIRST END
OPENING PRESSURE SETTING300.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER2.500 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER2.875 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.688 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.250 INCHES


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