8405-00-437-3007 COVER,SERVICE HAT Index 4730-00-437-3022 ADAPTER,STRAIGHT,PIPE TO BOSS

National Stock Number:
4820-00-437-3010

Federal Supply Class:
4820

National Item Identification Number:
004373010

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:
A49120CDH4918115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+686.0 TO 745.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER5.875 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER7.250 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES SECOND END
BOLT HOLE QUANTITY8 FIRST END
BOLT HOLE QUANTITY8 SECOND END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEEXPOSED SPRING
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEFLANGE FIRST END
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.937 INCHES
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
MATERIALNICKEL ALLOY 400 STEM
MATERIALSTEEL BODY
MATERIALSTEEL COMP 304 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 304 SEAT
MAXIMUM OPERATING TEMP850.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER7.500 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER9.000 INCHES FIRST END
NOMINAL THICKNESS1.187 INCHES FIRST END
NOMINAL THICKNESS1.187 INCHES SECOND END
OPENING PRESSURE SETTING720.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER4.125 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER5.500 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.500 INCHES SECOND END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSNOMINAL PIPE SIZE ACCOMMODATED 2.500 IN. PIPE SIZE 1ST END AND 3.500 IN. PIPE SIZE 2ND END
RENEWABLE SEAT RING TYPETHREADED
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.562 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.500 INCHES
VALVE DISCHARGE FLOW RATE20800.0 POUNDS PER HOUR


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