4820-00-288-6891 VALVE,SAFETY RELIEF Index 4820-00-288-6895 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-288-6892

Federal Supply Class:
4820

National Item Identification Number:
002886892

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:
A20684LH15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL CORROSION RESISTING SEAT
STEEL CORROSION RESISTING STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.500 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.312 INCHES
VALVE SIZE2.000 INCHES
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE670.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPEFLANGE 1ST END
FLANGE 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER6.500 INCHES 1ST END
7.562 INCHES 2ND END
NOMINAL THICKNESS1.000 INCHES 1ST END
0.812 INCHES 2ND END
BOLT HOLE QUANTITY8 1ST END
8 2ND END
BOLT HOLE NOMINAL DIAMETER0.688 INCHES 1ST END
0.812 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER3.000 INCHES 1ST END
6.000 INCHES 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
PLAIN 2ND END
RAISED FACE NOMINAL HEIGHT0.250 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER2.625 INCHES 1ST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSLEFT HAND VALVE
THE MANUFACTURERS DATA
MANUFACTURERS CODE15187
DESIGN CONTROL REFERENCEA20684LH


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