4820-01-248-1432 VALVE,SAFETY RELIEF Index 4820-01-248-1434 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-248-1433

Federal Supply Class:
4820

National Item Identification Number:
012481433

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:
16975-F72352CURTISS-WRIGHT FLOW CONTROL CORPORATION
16975-F AND 26FB10-12072352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL OVERALL
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.125 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.125 INCHES
VALVE SIZE1.500 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER5.000 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.875 INCHES ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER2.875 INCHES ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
OPENING PRESSURE SETTING66.0 POUNDS PER SQUARE INCH


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