4820-01-186-5980 VALVE,SAFETY RELIEF Index 4820-01-186-5982 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-186-5981

Federal Supply Class:
4820

National Item Identification Number:
011865981

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:
R10AD5F512-CM1 AND D4946311859HUNT VALVE COMPANY, INC.
R10AD5F512-CM1 AND D4946334889HUNT VALVE COMPANY INC


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
STEEL CORROSION RESISTING STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.250 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.312 INCHES
VALVE SIZE0.500 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER4.250 INCHES 1ST END
3.500 INCHES 2ND END
NOMINAL THICKNESS0.375 INCHES 1ST END
0.312 INCHES 2ND END
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES 1ST END
2.375 INCHES 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER1.375 INCHES ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
ADJUSTABLE PRESSURE RANGE59.0 TO 72.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 LEVER


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