4820-00-146-9340 VALVE,SAFETY RELIEF Index 4820-00-146-9342 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-146-9341

Federal Supply Class:
4820

National Item Identification Number:
001469341

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:
155316497DRESSER, INC.
5VRP7216497DRESSER, INC.


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
FIRST CONNECTION FACE TO CENTERLINE DISTANCE7.000 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE7.750 INCHES
VALVE SIZE1.500 INCHES
FLOW CONTROL DEVICEDISK OR
STEM
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
9.250 INCHES 2ND END
NOMINAL THICKNESS1.625 INCHES 1ST END
0.937 INCHES 2ND END
BOLT HOLE QUANTITY8 1ST END
9 2ND END
BOLT HOLE NOMINAL DIAMETER1.062 INCHES 1ST END
0.812 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES 1ST END
7.687 INCHES 2ND END
FLANGE FACE DESIGNPLAIN 2ND END
RAISED FACE NOMINAL HEIGHT0.687 INCHES 1ST END
RAISED FACE NOMINAL DIAMETER6.375 INCHES 1ST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
MOUNTING FACILITYBRACKET


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