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Part Number

Part Number:
NSN:
NIIN:
Item Name:
VALVE , STOP-CHECK

Definition:

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.

CAGE Information

Code Company
63686 THE WALWORTH COMPANY

Federal Supply Class

Title

VALVES, NONPOWERED

Inclusions:

INCLUDES AUTOMATIC NONPOWERED VALVES; GATE, GLOBE, ANGLE, CHECK, AND RELIEF VALVES; COCKS.

Exclusions:

EXCLUDES FIRE HYDRANTS (FSC 4210); SPRINKLER HEADS (FSC 4210); VALVES SPECIFICALLY DESIGNED FOR USE WITH FIRE FIGHTING EQUIPMENT (FSC 4210); PLUMBING EQUIPMENT, AND THE LIKE (FSC 4540).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
MATT MATERIAL COPPER ALLOY FLOW CONTROL DEVICE
AWLS CONNECTION TYPE FLANGE ALL ENDS
ADSR BONNET TYPE OUTSIDE SCREW-YOKE
TMQY FURNISHED ITEMS AND QUANTITY 1 HANDWHEEL
AEHZ MAXIMUM OPERATING TEMP 425.0 DEG FAHRENHEIT SINGLE RESPONSE
ADST BONNET ATTACHMENT METHOD BOLTED
AGAV END ITEM IDENTIFICATION NUCLEAR REACTOR BOUNDRY AREA
CWDF FLANGE FACE DESIGN PLAIN ALL ENDS
STYL STYLE DESIGNATOR ANGLE FLANGED ENDS
CXCY PART NAME ASSIGNED BY CONTROLLING AGENCY STOP CHECK GLOBE VALVE
MATT MATERIAL COPPER ALLOY BODY
AQLR VALVE OPERATION METHOD MANUAL
MATT MATERIAL NICKEL ALLOY SEAT
CWCR SECOND CONNECTION FACE TO CENTERLINE DISTANCE 5.000 INCHES
CQGM MAXIMUM OPERATING PRESSURE 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATT MATERIAL NICKEL ALLOY STEM
CWCD NOMINAL OUTSIDE DIAMETER 6.625 INCHES ALL ENDS
ARKN FLANGE SHAPE ROUND ALL ENDS
CCFG VALVE SIZE 3.000 INCHES
CWCL FIRST CONNECTION FACE TO CENTERLINE DISTANCE 5.000 INCHES

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