4820-00-163-5180 VALVE,SAFETY RELIEF Index 4820-00-163-5182 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-163-5181

Federal Supply Class:
4820

National Item Identification Number:
001635181

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:
A3415015187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.875 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER7.250 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES SECOND END
BOLT HOLE QUANTITY8 FIRST END
BOLT HOLE QUANTITY8 SECOND 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 DESIGNPLAIN SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLOW CONTROL DEVICEDISK
NOMINAL OUTSIDE DIAMETER7.500 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER9.000 INCHES FIRST END
NOMINAL THICKNESS1.125 INCHES FIRST END
NOMINAL THICKNESS1.125 INCHES SECOND END
OPENING PRESSURE SETTING715.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER5.500 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 MOD 3
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORANGLE FLANGED ENDS
SPECIAL FEATURESTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE2.500 INCHES
VALVE DISCHARGE FLOW RATE32500.0 POUNDS PER HOUR


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