4820-01-278-6172 VALVE,SAFETY RELIEF Index 4820-01-278-6174 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-278-6173

Federal Supply Class:
4820

National Item Identification Number:
012786173

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:
128 2IN 90T140PSI PL-412335795LESLIE CONTROLS, INC.
1382 2IN 90T140PSI,PL-412335795LESLIE CONTROLS, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+90.0 TO 140.0 POUNDS PER SQUARE INCH
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES ALL ENDS
BONNET ATTACHMENT METHODUNION
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALBRONZE BODY
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.000 INCHES ALL ENDS
NOMINAL THICKNESS0.500 INCHES ALL ENDS
RENEWABLE SEAT RING TYPEBOLTED
SECOND CONNECTION FACE TO CENTERLINE DISTANCE2.625 INCHES
SPECIAL FEATURESEXTENDED STEM
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.000 INCHES


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