4820-01-144-3696 VALVE,GLOBE Index 4820-01-144-3698 VALVE,CHECK

National Stock Number:
4820-01-144-3697

Federal Supply Class:
4820

National Item Identification Number:
011443697

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:
803-217793480064NAVAL SHIP SYSTEMS COMMAND
803-2177934-B33180064NAVAL SHIP SYSTEMS COMMAND
803-2177934-B331AF80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALPLASTIC POLYCHLOROTRIFLUOROETHYLENE FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
NICKEL ALLOY STEM
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL


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