4820-01-186-0742 VALVE,SAFETY RELIEF Index 4820-01-186-0744 VALVE,BUTTERFLY

National Stock Number:
4820-01-186-0743

Federal Supply Class:
4820

National Item Identification Number:
011860743

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:
1382 1 1/2IN12T25PSIPL410835795LESLIE CONTROLS, INC.


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
RUBBER FLOW CONTROL DEVICE
NICKEL ALLOY STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.750 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.750 INCHES
VALVE SIZE1.500 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER5.000 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER3.875 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
RENEWABLE SEAT RING TYPEBOLTED
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODUNION
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE12.0 TO 25.0 POUNDS PER SQUARE INCH


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