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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
04537 ATWOOD & MORRILL CO. INC. DBA WEIR V

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
CBBL FEATURES PROVIDED BONNET PACKING
MEDA MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
ADSR BONNET TYPE OUTSIDE SCREW-YOKE
BBJX MOUNTING POSITION HORIZONTAL
CWDL RAISED FACE NOMINAL DIAMETER 2.875 INCHES 1ST END
ADST BONNET ATTACHMENT METHOD BOLTED
ADZH RENEWABLE SEAT RING TYPE THREADED
CWCD NOMINAL OUTSIDE DIAMETER 6.125 INCHES 1ST END
ADQU FLOW CONTROL DEVICE DISK
STYL STYLE DESIGNATOR STRAIGHT THRU W/OFFSET FLANGED ENDS
CWCK NOMINAL THICKNESS 0.875 INCHES 1ST END
AQLR VALVE OPERATION METHOD MANUAL
AWLS CONNECTION TYPE FLANGE 1ST END
CQGM MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
ACJN OFFSET DISTANCE 2.250 INCHES
CCFG VALVE SIZE 1.500 INCHES
CWDH RAISED FACE NOMINAL HEIGHT 0.250 INCHES 1ST END
ARKN FLANGE SHAPE ROUND 1ST END
ADSU DISK LOADING METHOD WEIGHT
CWDF FLANGE FACE DESIGN RAISED STRAIGHT 1ST END
CWCF FACE TO FACE DISTANCE 12.000 INCHES

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