4820-01-306-0996 VALVE,SAFETY RELIEF Index 4820-01-306-0998 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-306-0997

Federal Supply Class:
4820

National Item Identification Number:
013060997

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:
8 T 10, JOS-15-D24823CROSBY VALVE CORP DIV OF GEOSOURCE INC


Techincal Specification:
DISK LOADING METHODSPRING
BOLT CIRCLE NOMINAL DIAMETER11.750 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER14.250 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER1.000 INCHES 1ST END
BOLT HOLE QUANTITY12 1ST END
BOLT HOLE QUANTITY8 2ND END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE 1ST END
CONNECTION TYPEFLANGE 2ND END
FIRST CONNECTION FACE TO CENTERLINE DISTANCE11.000 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
FLANGE FACE DESIGNRAISED STRAIGHT 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLANGE SHAPEROUND WITH HOLES 2ND END
FLOW CONTROL DEVICEDISK
MATERIALALUMINUM SEAT
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
NOMINAL OUTSIDE DIAMETER13.500 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER16.000 INCHES 1ST END
NOMINAL THICKNESS0.062 INCHES 1ST END
NOMINAL THICKNESS0.062 INCHES 2ND END
OPENING PRESSURE SETTING185.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER10.625 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER12.750 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES 2ND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE10.875 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE10.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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