5360-00-036-2067 SPRING,HELICAL,COMPRESSION Index 4820-00-036-2083 VALVE,RELIEF

National Stock Number:
4820-00-036-2081

Federal Supply Class:
4820

National Item Identification Number:
000362081

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:
CVB41S5103-44ALT380064NAVAL SHIP SYSTEMS COMMAND
R-6181-EL38056ASHCROFT INC
R6181EL16497DRESSER, INC.


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER0.688 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES 2ND END
BOLT HOLE QUANTITY8 1ST END
BOLT HOLE QUANTITY8 2ND END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEEXPOSED SPRING
CONNECTION TYPEFLANGE 2ND END
CONNECTION TYPEFLANGE 1ST END
FLANGE FACE DESIGNPLAIN 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLANGE SHAPEROUND WITH HOLES 2ND END
FLOW CONTROL DEVICEPOPPET
NOMINAL OUTSIDE DIAMETER6.500 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER7.562 INCHES 2ND END
NOMINAL THICKNESS0.812 INCHES 2ND END
NOMINAL THICKNESS1.000 INCHES 1ST END
OPENING PRESSURE SETTING635.0 POUNDS PER SQUARE INCH
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALSTEEL UNS K12220 BODY OR STEEL UNS K13020 BODY
RAISED FACE NOMINAL DIAMETER4.250 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES 1ST END
RENEWABLE SEAT RING TYPETHREADED
VALVE DISCHARGE FLOW RATE11420.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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