4820-00-146-9338 VALVE,SAFETY RELIEF Index 4820-00-146-9340 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-146-9339

Federal Supply Class:
4820

National Item Identification Number:
001469339

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:
A-32935-215187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
HN-MS-3515187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.750 INCHES 1ST END
BOLT HOLE QUANTITY4 1ST END
BOLT HOLE QUANTITY8 2ND END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER6.500 INCHES 2ND END
CONNECTION TYPEFLANGE 2ND END
CONNECTION TYPEFLANGE 1ST END
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE6.375 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLANGE SHAPEROUND WITH HOLES 2ND END
FLOW CONTROL DEVICEDISK OR STEM
MOUNTING FACILITYBRACKET
NOMINAL OUTSIDE DIAMETER7.500 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER8.500 INCHES 2ND END
NOMINAL THICKNESS0.250 INCHES 2ND END
NOMINAL THICKNESS0.937 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER0.937 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES 1ST END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.062 INCHES
SPECIAL FEATURESVENTURI NOZZLE DESIGN ON SECOND END
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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