4820-00-159-0557 VALVE,GLOBE Index 4820-00-159-0559 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-159-0558

Federal Supply Class:
4820

National Item Identification Number:
001590558

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:
A4837715187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
A48377CAP3755015187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 304 FLOW CONTROL DEVICE
STEEL COMP 304 SEAT
NICKEL ALLOY 400 STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE6.938 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE7.688 INCHES
VALVE SIZE2.500 INCHES
FLOW CONTROL DEVICEDISK
VALVE DISCHARGE FLOW RATE37550.0 POUNDS PER HOUR
CONNECTION TYPEFLANGE 1ST END
FLANGE 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER9.625 INCHES 1ST END
10.000 INCHES 2ND END
NOMINAL THICKNESS1.688 INCHES 1ST END
1.188 INCHES 2ND END
BOLT HOLE QUANTITY8 1ST END
8 2ND END
BOLT HOLE NOMINAL DIAMETER1.125 INCHES 1ST END
0.875 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES 1ST END
7.875 INCHES 2ND END
FLANGE FACE DESIGNRECESSED STRAIGHT 1ST END
RAISED STRAIGHT 2ND END
RAISED FACE NOMINAL HEIGHT0.062 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER6.188 INCHES 2ND END
RECESS NOMINAL DIAMETER8.750 INCHES 1ST END
RECESS NOMINAL DEPTH0.062 INCHES 1ST END
RENEWABLE SEAT RING TYPETHREADED
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING1350.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT
THE MANUFACTURERS DATA
MANUFACTURERS CODE15187
DESIGN CONTROL REFERENCEA48377


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