4820-01-294-3130 VALVE,SAFETY RELIEF Index 4820-01-294-3132 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-294-3131

Federal Supply Class:
4820

National Item Identification Number:
012943131

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:
D-30C NMP-1531OPTB 65T84PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
D-30C NMP-1531OPTB 65T84PSI15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
D-30C NMP-1531OPTB 65T84PSI75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+65.0 TO 84.0 POUNDS PER SQUARE INCH
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER2.625 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES 1ST END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.374 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL BODY
MATERIALSTEEL COMP 416 STEM
MATERIALSTEEL COMP 630 AND STEEL COMP 440A FLOW CONTROL DEVICE
NOMINAL OUTSIDE DIAMETER3.750 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER4.250 INCHES 1ST END
NOMINAL THICKNESS0.375 INCHES 1ST END
NOMINAL THICKNESS0.562 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER1.375 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER2.000 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES 2ND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.312 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.500 INCHES


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