4820-01-553-9218 VALVE,CHECK Index 4820-01-554-1248 VALVE,GLOBE

National Stock Number:
4820-01-554-0937

Federal Supply Class:
4820

National Item Identification Number:
015540937

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:
803-217752580064NAVAL SHIP SYSTEMS COMMAND
803-2177525-C73380064NAVAL SHIP SYSTEMS COMMAND
803-2177525-C7C3AF80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALSTEEL BODY
STEEL COMP 420 FLOW CONTROL DEVICE
STEEL COMP 316 STEM
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE1.500 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC OR
MANUAL
CONNECTION TYPEBUTT WELD PIPE ALL ENDS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
SPECIAL FEATURESEND CONNECTIONS: BUTT WELD IAW SCHEDULE 80
PART NAME ASSIGNED BY CONTROLLING AGENCYIN-LINE STOP-CHECK VALVE


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