4320-00-168-3938 IMPELLER,PUMP,CENTRIFUGAL Index 3020-00-168-3940 GEAR,SPUR

National Stock Number:
4820-00-168-3939

Federal Supply Class:
4820

National Item Identification Number:
001683939

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:
5VZF7216497DRESSER, INC.
A4914115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER4.875 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER1.062 INCHES FIRST END
BOLT HOLE QUANTITY4 FIRST END
BOLT HOLE QUANTITY8 SECOND END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEEXPOSED SPRING
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNRECESSED STRAIGHT FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLOW CONTROL DEVICEDISK
NOMINAL OUTSIDE DIAMETER7.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER7.562 INCHES SECOND END
OPENING PRESSURE SETTING1375.0 POUNDS PER SQUARE INCH
RECESS NOMINAL DEPTH0.125 INCHES FIRST END
RECESS NOMINAL DIAMETER2.250 INCHES FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE1.500 INCHES
VALVE DISCHARGE FLOW RATE21000.0 POUNDS PER HOUR


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