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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
86520 CONBRACO INDUSTRIES INC R-P AND C VA

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
CWCF FACE TO FACE DISTANCE 6.500 INCHES
CWDF FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
CWCQ BOLT HOLE NOMINAL DIAMETER 0.625 INCHES ALL ENDS
AWLS CONNECTION TYPE FLANGE ALL ENDS
ADSR BONNET TYPE OUTSIDE SCREW-YOKE
ARKN FLANGE SHAPE ROUND WITH HOLES ALL ENDS
MATT MATERIAL ASBESTOS PACKING
ADST BONNET ATTACHMENT METHOD BOLTED
CWDL RAISED FACE NOMINAL DIAMETER 2.875 INCHES ALL ENDS
BBJX MOUNTING POSITION HORIZONTAL OR VERTICAL
STYL STYLE DESIGNATOR STRAIGHT THRU FLANGED ENDS
ADQU FLOW CONTROL DEVICE DISK
CWCD NOMINAL OUTSIDE DIAMETER 5.000 INCHES ALL ENDS
AQLR VALVE OPERATION METHOD MANUAL
MATT MATERIAL STEEL BODY
MEDA MEDIA FOR WHICH DESIGNED STEAM 2ND RESPONSE
CCFG VALVE SIZE 1.500 INCHES
CWCT BOLT CIRCLE NOMINAL DIAMETER 3.875 INCHES ALL ENDS
MATT MATERIAL STEEL COMP 416 STEM
CWDH RAISED FACE NOMINAL HEIGHT 0.062 INCHES ALL ENDS
MATT MATERIAL STEEL COMP 420 FLOW CONTROL DEVICE
AECS BOLT HOLE QUANTITY 4 ALL ENDS
AEHZ MAXIMUM OPERATING TEMP 567.0 DEG FAHRENHEIT SINGLE RESPONSE
CQGM MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDA MEDIA FOR WHICH DESIGNED OIL 1ST RESPONSE
CWCK NOMINAL THICKNESS 0.562 INCHES ALL ENDS

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