5905-00-810-0565 RESISTOR,VARIABLE,WIRE WOUND,NON Index 3610-00-810-0571 TISSUE,LINT FREE

National Stock Number:
4820-00-810-0569

Federal Supply Class:
4820

National Item Identification Number:
008100569

Description:
VALVE,STOP-LIFT-CHECK

Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO THREE DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. IN THE THIRD POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, LIFT-CHECK AND VALVE, STOP-CHECK.


Manufacturer Information:
33311-3057524STERLING ELECTRIC INC SUB OF A O SMITH CORP
33311-30/F03-20843-05TS57524STERLING ELECTRIC INC SUB OF A O SMITH CORP
33311-30/F03-2084B-05TS35743VELAN INC
F03-2084B-05TS35743VELAN INC
F03-2084B-05TS57524STERLING ELECTRIC INC SUB OF A O SMITH CORP


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
BOLT CIRCLE NOMINAL DIAMETER2.625 INCHES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE6.500 INCHES
FEATURES PROVIDEDBONNET PACKING
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOBALT ALLOY SEAT
MATERIALCOBALT ALLOY FLOW CONTROL DEVICE
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP850.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER3.750 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER1.375 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.250 INCHES ALL ENDS
VALVE OPERATION METHODMANUAL
VALVE SIZE0.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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