4820-00-287-4040 VALVE,SAFETY RELIEF Index 4820-00-287-4044 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-4042

Federal Supply Class:
4820

National Item Identification Number:
002874042

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:
AGC1S5103-138353980064NAVAL SHIP SYSTEMS COMMAND
G15501-1701343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
G15501-1715187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES SECOND END
BOLT HOLE QUANTITY4 FIRST END
BOLT HOLE QUANTITY8 SECOND END
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEFLANGE FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE FACE DESIGNRAISED STRAIGHT SECOND END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLOW CONTROL DEVICEDISK
OPENING PRESSURE SETTING514.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALSTEEL SEAT
MAXIMUM OPERATING TEMP900.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.500 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER7.500 INCHES FIRST END
NOMINAL THICKNESS0.687 INCHES FIRST END
NOMINAL THICKNESS1.000 INCHES SECOND END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES SECOND END
SPECIAL FEATURESW/LIFTING LEVER
VALVE DISCHARGE FLOW RATE31509.0 POUNDS PER HOUR
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORANGLE


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