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:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC OR
MANUAL
MATERIALSTEEL BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL SEAT
STEEL STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.500 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.000 INCHES
VALVE SIZE1.500 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP650.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE10500.0 POUNDS PER HOUR
CONNECTION TYPEFLANGE 1ST END
FLANGE 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER6.125 INCHES 1ST END
6.500 INCHES 2ND END
NOMINAL THICKNESS1.125 INCHES 1ST END
0.750 INCHES 2ND END
BOLT HOLE QUANTITY4 1ST END
7 2ND END
BOLT HOLE NOMINAL DIAMETER0.812 INCHES 1ST END
0.688 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES 1ST END
5.188 INCHES 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
PLAIN 2ND END
RAISED FACE NOMINAL HEIGHT0.250 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER2.875 INCHES 1ST END
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING438.0 POUNDS PER SQUARE INCH
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-V-17462 TYPE/HN135


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