4820-00-163-5171 VALVE,SAFETY RELIEF Index 4820-00-163-5173 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-163-5172

Federal Supply Class:
4820

National Item Identification Number:
001635172

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:
A4243715187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.875 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER7.250 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES 2ND END
BOLT HOLE QUANTITY8 1ST END
BOLT HOLE QUANTITY8 2ND END
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGNRECESSED STRAIGHT 1ST END
FLANGE FACE DESIGNRAISED STRAIGHT 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLANGE SHAPEROUND WITH HOLES 2ND END
FLOW CONTROL DEVICEDISK
NOMINAL OUTSIDE DIAMETER7.500 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER9.000 INCHES 2ND END
NOMINAL THICKNESS1.188 INCHES 2ND END
NOMINAL THICKNESS1.250 INCHES 1ST END
OPENING PRESSURE SETTING730.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER5.500 INCHES 2ND END
RAISED FACE NOMINAL HEIGHT0.062 INCHES 2ND END
RECESS NOMINAL DEPTH0.062 INCHES 1ST END
RECESS NOMINAL DIAMETER6.875 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 RATE44000.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE2.500 INCHES


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