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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
30263 PIMA VALVE INC.

Federal Supply Class

Title

VALVES, POWERED

Inclusions:

INCLUDES ELECTRIC MOTOR OPERATED VALVES; HYDRAULIC OPERATED VALVES; SOLENOID OPERATED VALVES.

Exclusions:

EXCLUDES ENGINE INTAKE AND EXHAUST VALVES (FSC 2990, 2815); 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
CWCQ BOLT HOLE NOMINAL DIAMETER 0.688 INCHES ALL ENDS
MATT MATERIAL COPPER ALLOY FLOW CONTROL DEVICE
CWCK NOMINAL THICKNESS 1.312 INCHES ALL ENDS
AWLS CONNECTION TYPE FLANGE ALL ENDS
CWCT BOLT CIRCLE NOMINAL DIAMETER 11.062 INCHES ALL ENDS
ARKN FLANGE SHAPE ROUND WITH HOLES ALL ENDS
BBJX MOUNTING POSITION HORIZONTAL
ADSR BONNET TYPE PACKING RETAINING
CWCF FACE TO FACE DISTANCE 20.250 INCHES
CWDF FLANGE FACE DESIGN PLAIN ALL ENDS
FEAT SPECIAL FEATURES VALVE OPERATION METHOD - ELECTRIC MOTOR
ADZH RENEWABLE SEAT RING TYPE THREADED
STYL STYLE DESIGNATOR STRAIGHT THRU FLANGED ENDS
CWCD NOMINAL OUTSIDE DIAMETER 12.375 INCHES ALL ENDS
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL COPPER ALLOY BODY
CCFG VALVE SIZE 8.000 INCHES
MATT MATERIAL NICKEL ALLOY SEAT
MATT MATERIAL NICKEL ALLOY STEM
AECS BOLT HOLE QUANTITY 14 ALL ENDS
CQGM MAXIMUM OPERATING PRESSURE 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE

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