3020-00-045-5074 GEAR,SPUR Index 3020-00-045-5083 GEAR SET,BEVEL,MATCHED

National Stock Number:
4820-00-045-5077

Federal Supply Class:
4820

National Item Identification Number:
000455077

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:
2620-902ASSYF3-463686THE WALWORTH COMPANY
2620-902ASSYF3-496169ELECTRIC BOAT CORPORATION
534-1-3-4IN76364MILWAUKEE VALVE CO, INC
845-1889587ASSYF3-480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEUNTHREADED INTERNAL PIPE 1ST END
CONNECTION STYLESOCKET (PIPE) 1ST END
DISK LOADING METHODWEIGHT
FEATURES PROVIDEDBONNET PACKING
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY R-405 SEAT
MATERIALNICKEL ALLOY R-405 STEM
MATERIALPLASTIC FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITIONVERTICAL
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES 1ST END
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORANGLE
TEST DATA DOCUMENT96169-2620-902ASSYF3/4 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
VALVE OPERATION METHODMANUAL


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