4820-00-163-5170 VALVE,SAFETY RELIEF Index 4820-00-163-5172 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-163-5171

Federal Supply Class:
4820

National Item Identification Number:
001635171

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:
39344M0D915187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
A3934415187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
A39344ASSY M0D915187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
A39344ASSY MOD915187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
H331556280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER4.875 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER5.875 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER1.125 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 DESIGNRAISED STRAIGHT 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 DIAMETER7.500 INCHES SECOND END
OPENING PRESSURE SETTING1325.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER4.125 INCHES SECOND END
RAISED FACE NOMINAL HEIGHT0.062 INCHES SECOND END
RECESS NOMINAL DEPTH0.062 INCHES FIRST END
RECESS NOMINAL DIAMETER6.125 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 H48241
RENEWABLE SEAT RING TYPETHREADED
VALVE DISCHARGE FLOW RATE18570.0 POUNDS PER HOUR
VALVE SIZE1.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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