4820-01-275-4162 VALVE,SAFETY RELIEF Index 4820-01-275-4164 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-275-4163

Federal Supply Class:
4820

National Item Identification Number:
012754163

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:
C3338 1 1/2X2INPL4196 12T25PSI35795LESLIE CONTROLS, INC.
S1384 1 1/2X2INPL4196 12T25PSI35795LESLIE CONTROLS, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+12.0 TO 25.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER5.000 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES SECOND END
BOLT HOLE QUANTITY4 SECOND END
BOLT HOLE QUANTITY8 FIRST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.375 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALBRONZE BODY
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP165.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.125 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER6.500 INCHES FIRST END
NOMINAL THICKNESS0.875 INCHES SECOND END
NOMINAL THICKNESS1.000 INCHES FIRST END
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
RAISED FACE NOMINAL DIAMETER2.875 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER3.625 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES SECOND END
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.875 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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