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:
STYLE DESIGNATORANGLE
MATERIALSTEEL BODY
STEEL SEAT
COPPER AND
NICKEL STEM
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP900.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE14200.0 POUNDS PER HOUR
CONNECTION TYPEFLANGE 1ST END
FLANGE 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER8.688 INCHES 1ST END
6.500 INCHES 2ND END
BOLT HOLE QUANTITY9 1ST END
8 2ND END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES 1ST END
0.688 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER7.125 INCHES 1ST END
5.000 INCHES 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
RAISED STRAIGHT 2ND END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING410.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESW/LIFTING LEVER


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