4820-01-274-4725 VALVE,SAFETY RELIEF Index 4820-01-274-4727 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-274-4726

Federal Supply Class:
4820

National Item Identification Number:
012744726

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:
D49274 ASSY R10AF5J503-CM111859HUNT VALVE COMPANY, INC.
D49274 ASSY R10AF5J503-CM134889HUNT VALVE COMPANY INC
R10AF5J503-CM1 AND D4927411859HUNT VALVE COMPANY, INC.
R10AF5J503-CM1 AND D4927434889HUNT VALVE COMPANY INC
R10AF5J503-CM134889HUNT VALVE COMPANY INC


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+10.0 TO 12.0 POUNDS PER SQUARE INCH
BOLT HOLE NOMINAL DIAMETER0.625 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES 1ST END
BOLT HOLE QUANTITY4 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES 1ST END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALSTEEL BODY
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE275.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER4.250 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER6.000 INCHES 1ST END
NOMINAL THICKNESS0.438 INCHES 2ND END
NOMINAL THICKNESS0.625 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER2.000 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER3.625 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.000 INCHES


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