4820-01-139-1711 VALVE,CHECK Index 4820-01-139-1713 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-139-1712

Federal Supply Class:
4820

National Item Identification Number:
011391712

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 3-4IN 90T140PSI35795LESLIE CONTROLS, INC.
1385 3-4IN 90T140PSI35795LESLIE CONTROLS, INC.
C3277 3-4IN PL414490T140PSI35795LESLIE CONTROLS, INC.
YB2385D22735795LESLIE CONTROLS, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+90.0 TO 140.0 POUNDS PER SQUARE INCH
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER2.688 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
FIRST CONNECTION FACE TO CENTERLINE DISTANCE2.812 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALBRONZE BODY
MATERIALNICKEL ALLOY STEM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER3.812 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE2.812 INCHES
SPECIAL FEATURESVALVE SIZE 0.750 IN.
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE0.750 INCHES


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