5940-00-939-8090 TERMINAL,STUD Index 5930-00-939-8103 SWITCH ASSEMBLY,TRIGGER

National Stock Number:
4820-00-939-8101

Federal Supply Class:
4820

National Item Identification Number:
009398101

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:
1811 HA-0-3X1-M-20(2WA999)16497DRESSER, INC.
2WA99916497DRESSER, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+95.0 TO 105.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES SECOND END
BOLT HOLE QUANTITY4 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.875 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP650.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.125 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER7.000 INCHES FIRST END
NOMINAL THICKNESS0.875 INCHES ALL ENDS
OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
RAISED FACE NOMINAL DIAMETER2.750 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER3.562 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES SECOND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.750 INCHES
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE1.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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