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:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL BODY
FIRST CONNECTION FACE TO CENTERLINE DISTANCE6.375 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.062 INCHES
VALVE SIZE2.000 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE285.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP100.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER7.500 INCHES 1ST END
6.500 INCHES 2ND END
NOMINAL THICKNESS0.750 INCHES 1ST END
1.000 INCHES 2ND END
BOLT HOLE QUANTITY4 1ST END
8 2ND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES 1ST END
5.000 INCHES 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES 1ST END
0.250 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER5.000 INCHES 1ST END
3.625 INCHES 2ND END
ADJUSTABLE PRESSURE RANGE1171.0 TO 1275.0 POUNDS PER SQUARE INCH


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