4820-01-277-6507 VALVE,SAFETY RELIEF Index 4820-01-277-6509 VALVE,BALL

National Stock Number:
4820-01-277-6508

Federal Supply Class:
4820

National Item Identification Number:
012776508

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:
1384 P/L4143 30T50PSI 1X2IN35795LESLIE CONTROLS, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+30.0 TO 50.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.625 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE QUANTITY4 ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODUNION
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP165.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.250 INCHES SECOND END
NOMINAL THICKNESS0.375 INCHES SECOND END
NOMINAL THICKNESS0.500 INCHES FIRST END
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
RENEWABLE SEAT RING TYPEBOLTED
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.000 INCHES
SPECIAL FEATURESVALVE SIZE 1 IN. X 2 IN.
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.000 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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