4820-00-252-4851 VALVE,SAFETY RELIEF Index 5910-00-252-4853 CAPACITOR,FIXED,PAPER DIELECTRIC

National Stock Number:
4820-00-252-4852

Federal Supply Class:
4820

National Item Identification Number:
002524852

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:
5VMA7238056ASHCROFT INC
5VMA72 M0D16497DRESSER, INC.
S5101F323307180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES SECOND END
BOLT HOLE QUANTITY4 FIRST END
BOLT HOLE QUANTITY4 SECOND END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEEXPOSED SPRING
CONNECTION TYPEFLANGE FIRST END
CONNECTION TYPEFLANGE SECOND END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.718 INCHES
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
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
NOMINAL OUTSIDE DIAMETER7.500 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER6.125 INCHES SECOND END
NOMINAL THICKNESS0.688 INCHES FIRST END
NOMINAL THICKNESS0.875 INCHES SECOND END
OPENING PRESSURE SETTING675.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER5.000 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THE OPENING PRESSURE SETTING REQUIREMENT
RENEWABLE SEAT RING TYPETHREADED
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.938 INCHES
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE1.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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