4820-00-287-4030 VALVE,SAFETY RELIEF Index 4820-00-287-4034 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-4031

Federal Supply Class:
4820

National Item Identification Number:
002874031

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:
3320815187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER7.125 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.688 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES FIRST END
BOLT HOLE QUANTITY8 SECOND END
BOLT HOLE QUANTITY9 FIRST END
CONNECTION TYPEFLANGE FIRST END
CONNECTION TYPEFLANGE SECOND END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE FACE DESIGNRAISED STRAIGHT SECOND END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
OPENING PRESSURE SETTING410.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER AND NICKEL STEM
MATERIALSTEEL BODY
MATERIALSTEEL SEAT
MAXIMUM OPERATING TEMP900.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.500 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER8.688 INCHES FIRST END
SPECIAL FEATURESW/LIFTING LEVER
VALVE DISCHARGE FLOW RATE14200.0 POUNDS PER HOUR
STYLE DESIGNATORANGLE


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