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Part Number:
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Item Name:
VALVE , LIFT-CHECK

Definition:

A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST 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. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.

CAGE Information

Code Company
99565 CPV MANUFACTURING INC.

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
CQGM MAXIMUM OPERATING PRESSURE 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CMLP THREAD QUANTITY PER INCH 12 ALL ENDS
ADSR BONNET TYPE INSIDE SPRING
AEHZ MAXIMUM OPERATING TEMP 225.0 DEG FAHRENHEIT SINGLE RESPONSE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
AQLR VALVE OPERATION METHOD AUTOMATIC
STYL STYLE DESIGNATOR STRAIGHT THRU
BBJX MOUNTING POSITION HORIZONTAL OR VERTICAL
MATT MATERIAL NICKEL ALLOY 400 SEAT AND NICKEL ALLOY R-405 SEAT
AAJD THREAD CLASS 2A ALL ENDS
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL COPPER ALLOY BODY
AHNC CONNECTION STYLE EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
AWLS CONNECTION TYPE THREADED EXTERNAL BOSS ALL ENDS
ADST BONNET ATTACHMENT METHOD INTEGRAL
AAJF THREAD DIRECTION RIGHT-HAND ALL ENDS
CQRB SEAT ANGLE 37.0 DEGREES ALL ENDS
MATT MATERIAL PLASTIC POLYAMIDE FLOW CONTROL DEVICE
CQJX NOMINAL THREAD SIZE 1.750 INCHES ALL ENDS
THSD THREAD SERIES DESIGNATOR UN ALL ENDS
MEDA MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE

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