4820-01-301-9901 VALVE,SAFETY RELIEF Index 4820-01-301-9903 VALVE,BUTTERFLY

National Stock Number:
4820-01-301-9902

Federal Supply Class:
4820

National Item Identification Number:
013019902

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:
A2630-D-50H-1171 T 1275 PSI75975ACME HARDESTY CO INC
D50H-2.00 X 3.00-1171T1275 PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
D50H-2.00 X 3.00-1171T1275 PSI75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+1171.0 TO 1275.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY4 FIRST END
BOLT HOLE QUANTITY8 SECOND END
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE6.375 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL BODY
MAXIMUM OPERATING TEMP100.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.500 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER7.500 INCHES FIRST END
NOMINAL THICKNESS0.750 INCHES FIRST END
NOMINAL THICKNESS1.000 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER3.625 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER5.000 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES SECOND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.062 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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