4820-01-313-4127 VALVE,CHECK Index 4820-01-313-4129 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-313-4128

Federal Supply Class:
4820

National Item Identification Number:
013134128

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:
1905JC-2 46T54PSI W/SCR CAP16497DRESSER, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+46.0 TO 54.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL BODY
MATERIALSTEEL COMP 316 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 316 SEAT
MATERIALSTEEL COMP 410 STEM
MAXIMUM OPERATING TEMP800.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS FIRST RESPONSE
NOMINAL OUTSIDE DIAMETER6.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER7.500 INCHES SECOND END
OPERATING PRESSURE290.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
RAISED FACE NOMINAL DIAMETER3.625 INCHES FIRST END
RAISED FACE NOMINAL DIAMETER5.000 INCHES SECOND END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE FLANGED ENDS


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