4820-01-248-6251 VALVE,SAFETY RELIEF Index 4820-01-248-6253 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-248-6252

Federal Supply Class:
4820

National Item Identification Number:
012486252

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:
D5012811859HUNT VALVE COMPANY, INC.
D5012834889HUNT VALVE COMPANY INC
D50128 PART R10AL2L21111859HUNT VALVE COMPANY, INC.
D50128 PART R10AL2L21134889HUNT VALVE COMPANY INC
R10AL2L211 AND34889HUNT VALVE COMPANY INC


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+48.0 TO 59.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
FURNISHED ITEMS AND QUANTITY1 LEVER
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.750 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.620 INCHES ALL ENDS
NOMINAL THICKNESS0.500 INCHES ALL ENDS
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.750 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE3.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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