4820-01-130-2156 VALVE,SAFETY RELIEF Index 4820-01-130-2158 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-130-2157

Federal Supply Class:
4820

National Item Identification Number:
011302157

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:
987701343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
987715187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
9877-0541M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
9877-0541M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
STEEL COMP 316 STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE6.000 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.500 INCHES
VALVE SIZE3.000 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER6.625 INCHES ALL ENDS
NOMINAL THICKNESS1.000 INCHES 1ST END
0.500 INCHES 2ND END
BOLT HOLE QUANTITY8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS
FLANGE FACE DESIGNRECESSED STRAIGHT 1ST END
PLAIN 2ND END
RECESS NOMINAL DIAMETER3.000 INCHES 1ST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
ADJUSTABLE PRESSURE RANGE5.0 TO 150.0 POUNDS PER SQUARE INCH


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