4820-01-431-2513 VALVE,REGULATING,FLUID PRESSURE Index 4820-01-431-2515 CAP,VALVE

National Stock Number:
4820-01-431-2514

Federal Supply Class:
4820

National Item Identification Number:
014312514

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:
74222001-DS-G-74222-115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
DS-G-74222-115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES SECOND END
BOLT HOLE QUANTITY4 FIRST END
BOLT HOLE QUANTITY4 SECOND END
BONNET ATTACHMENT METHODBOLTEDBOLTED
BONNET TYPEINSIDE SPRINGINSIDE SPRING
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRINGSPRING
FURNISHED ITEMS AND QUANTITY1 CAP
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.750 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISKDISK
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP800.0 FAHRENHEIT SINGLE RESPONSE
MOUNTING FACILITYBRACKET(S)
NOMINAL OUTSIDE DIAMETER6.125 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER7.500 INCHES FIRST END
NOMINAL THICKNESS0.750 INCHES FIRST END
NOMINAL THICKNESS0.812 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER2.875 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER5.000 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES SECOND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.750 INCHES
SPECIAL FEATURESNOZZLE TYPE
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE3.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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