4820-00-166-0277 VALVE,SAFETY RELIEF Index 5962-00-166-0279 MICROCIRCUIT,LINEAR

National Stock Number:
4820-00-166-0278

Federal Supply Class:
4820

National Item Identification Number:
001660278

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:
317676580064NAVAL SHIP SYSTEMS COMMAND
A3415315187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
A34153 M0D15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES SECOND END
BOLT HOLE QUANTITY4 SECOND END
BOLT HOLE QUANTITY8 FIRST END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEEXPOSED SPRING
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEFLANGE FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLOW CONTROL DEVICEDISK
NOMINAL OUTSIDE DIAMETER6.125 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER6.500 INCHES FIRST END
NOMINAL THICKNESS0.812 INCHES FIRST END
NOMINAL THICKNESS0.875 INCHES SECOND END
OPENING PRESSURE SETTING700.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER3.625 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT AND AS MODIFIED BY CROSBY VALVE AND GAGE CO DRAWING H43589 SHEET 2
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORANGLE FLANGED ENDS
SPECIAL FEATURESTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
VALVE DISCHARGE FLOW RATE8900.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE1.500 INCHES


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