4820-01-256-3579 VALVE,STOP-CHECK Index 4820-01-256-3581 VALVE,STOP-CHECK

National Stock Number:
4820-01-256-3580

Federal Supply Class:
4820

National Item Identification Number:
012563580

Description:
VALVE,STOP-CHECK

Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO 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. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.


Manufacturer Information:
N10546SCM 5.00IN.62650FLOWORKS USA LP


Techincal Specification:
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE SIZE5.000 INCHES
FIRST CONNECTION FACE TO CENTERLINE DISTANCE8.375 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE8.375 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
OIL 2ND RESPONSE
STEAM 3RD RESPONSE
WATER, FRESH 4TH RESPONSE
WATER, SALT 5TH RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND ALL ENDS
NOMINAL OUTSIDE DIAMETER10.375 INCHES ALL ENDS
NOMINAL THICKNESS1.062 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING POSITIONHORIZONTAL


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