4820-01-452-9346 DISK,VALVE Index 2040-01-452-9348 DOOR,METAL,MARINE STRUCTURAL

National Stock Number:
4820-01-452-9347

Federal Supply Class:
4820

National Item Identification Number:
014529347

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:
F09-0084C-02TY57574VELAN VALVE CORP.
F09-0084C-02TYG57574VELAN VALVE CORP.


Techincal Specification:
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND ALL ENDS
MATERIALSTEEL CORROSION RESISTING BODY
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER2.500 INCHES ALL ENDS
NOMINAL THICKNESS0.750 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODMANUAL


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