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:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL BODY
STEEL COMP 304 FLOW CONTROL DEVICE
STEEL COMP 304 SEAT
NICKEL ALLOY 400 STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.937 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.562 INCHES
VALVE SIZE2.500 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING TEMP850.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE20800.0 POUNDS PER HOUR
CONNECTION TYPEFLANGE 1ST END
FLANGE 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER9.000 INCHES 1ST END
7.500 INCHES 2ND END
NOMINAL THICKNESS1.187 INCHES 1ST END
1.187 INCHES 2ND END
BOLT HOLE QUANTITY8 1ST END
8 2ND END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES 1ST END
0.875 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER7.250 INCHES 1ST END
5.875 INCHES 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
RAISED STRAIGHT 2ND END
RAISED FACE NOMINAL HEIGHT0.062 INCHES 1ST END
0.500 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER5.500 INCHES 1ST END
4.125 INCHES 2ND END
RENEWABLE SEAT RING TYPETHREADED
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING720.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE686.0 TO 745.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSNOMINAL PIPE SIZE ACCOMMODATED 2.500 IN. PIPE SIZE 1ST END AND 3.500 IN. PIPE SIZE 2ND END
THE MANUFACTURERS DATA
MANUFACTURERS CODE15187
DESIGN CONTROL REFERENCEA49120CDH49181


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