4730-01-284-6892 NUT,UNION Index 4820-01-284-6894 VALVE,BUTTERFLY

National Stock Number:
4820-01-284-6893

Federal Supply Class:
4820

National Item Identification Number:
012846893

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:
R10AL2N2BL-BM311859HUNT VALVE COMPANY, INC.
R10AL2N2BL-BM334889HUNT VALVE COMPANY INC


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER6.562 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.062 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.625 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER7.688 INCHES FIRST END
NOMINAL THICKNESS0.500 INCHES ALL ENDS
OPENING PRESSURE SETTING21.0 POUNDS PER SQUARE INCH
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.062 INCHES
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE3.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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