4820-01-237-1720 VALVE,SAFETY RELIEF Index 4820-01-237-1722 VALVE,BALL

National Stock Number:
4820-01-237-1721

Federal Supply Class:
4820

National Item Identification Number:
012371721

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:
NMP865-2V118-7T10PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP865-2V118-7T10PSI15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
NMP865-2V118-7T10PSI75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
V118-NMP865DASH75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+7.0 TO 10.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER9.500 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.625 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE QUANTITY8 ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODUNION
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE7.375 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE95.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP750.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
NOMINAL OUTSIDE DIAMETER11.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER9.000 INCHES SECOND END
NOMINAL THICKNESS1.000 INCHES FIRST END
NOMINAL THICKNESS0.938 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER6.188 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER8.500 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE7.375 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE6.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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