4820-00-287-4049 VALVE,SAFETY RELIEF Index 4820-00-287-4055 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-4050

Federal Supply Class:
4820

National Item Identification Number:
002874050

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:
R5885LY38056ASHCROFT INC


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER6.625 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES FIRST END
BOLT HOLE QUANTITY8 SECOND END
BOLT HOLE QUANTITY8 FIRST END
CONNECTION TYPEFLANGE FIRST END
CONNECTION TYPEFLANGE SECOND END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
OPENING PRESSURE SETTING444.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALSTEEL SEAT
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER8.250 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER9.000 INCHES SECOND END
SPECIAL FEATURESW/LIFTING LEVER
VALVE DISCHARGE FLOW RATE32000.0 POUNDS PER HOUR
STYLE DESIGNATORANGLE


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