4820-00-287-4025 VALVE,SAFETY RELIEF Index 4820-00-287-4031 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-4030

Federal Supply Class:
4820

National Item Identification Number:
002874030

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:
4178015187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
A1532015187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
AD14S51-06780064NAVAL SHIP SYSTEMS COMMAND
MIL-V-17462 TYPE/HN13581349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES FIRST END
BOLT CIRCLE NOMINAL DIAMETER5.188 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.688 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES FIRST END
BOLT HOLE QUANTITY4 FIRST END
BOLT HOLE QUANTITY7 SECOND END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEEXPOSED SPRING
CONNECTION TYPEFLANGE FIRST END
CONNECTION TYPEFLANGE SECOND END
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.500 INCHES
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLOW CONTROL DEVICEDISK
OPENING PRESSURE SETTING438.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP650.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.125 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER6.500 INCHES SECOND END
NOMINAL THICKNESS0.750 INCHES SECOND END
NOMINAL THICKNESS1.125 INCHES FIRST END
RAISED FACE NOMINAL DIAMETER2.875 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES FIRST END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.000 INCHES
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE1.500 INCHES
VALVE DISCHARGE FLOW RATE10500.0 POUNDS PER HOUR
STYLE DESIGNATORANGLE FLANGED ENDS


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