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 1ST END
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER1.062 INCHES 1ST END
BOLT HOLE QUANTITY4 1ST END
BOLT HOLE QUANTITY8 2ND END
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGNPLAIN 2ND END
FLANGE FACE DESIGNRECESSED STRAIGHT 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLANGE SHAPEROUND WITH HOLES 2ND END
FLOW CONTROL DEVICEDISK
NOMINAL OUTSIDE DIAMETER7.000 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER7.562 INCHES 2ND END
OPENING PRESSURE SETTING1375.0 POUNDS PER SQUARE INCH
RECESS NOMINAL DEPTH0.125 INCHES 1ST END
RECESS NOMINAL DIAMETER2.250 INCHES 1ST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE DISCHARGE FLOW RATE21000.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE1.500 INCHES


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