4820-00-202-6822, VALVE,STOP-CHECK

National Stock Number:
4820-00-202-6822

Federal Supply Class:
4820

National Item Identification Number:
002026822

Description:
VALVE,STOP-CHECK

Detail:
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.

Manufacturer Information:

4824-3132361REVDPC1-4-6T08-11-1-

80064

NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

BOLT CIRCLE NOMINAL DIAMETER	3.938 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER	0.562 INCHES 1ST END
BOLT HOLE QUANTITY	6 1ST END
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	INSIDE SCREW
CONNECTION TYPE	FLANGE 1ST END
EXTRA LONG REFERENCE NUMBER	4824-3132361REVDPC1-4-6T08-11-1-00
FACE TO FACE DISTANCE	10.250 INCHES
FLANGE FACE DESIGN	PLAIN 1ST END
FLANGE SHAPE	ROUND WITH HOLES 1ST END
FLOW CONTROL DEVICE	DISK
MATERIAL	COPPER ALLOY 903 BODY
MATERIAL	COPPER ALLOY 903 FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY 400 OR NICKEL ALLOY R-405 STEM
MATERIAL	NICKEL ALLOY 400 OR NICKEL ALLOY R-405 SEAT
MAXIMUM OPERATING PRESSURE	500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	WATER, SALT SINGLE RESPONSE
MOUNTING POSITION	HORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER	5.062 INCHES 1ST END
NOMINAL THICKNESS	0.812 INCHES 1ST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	DRAWING NO.
RENEWABLE SEAT RING TYPE	THREADED
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	1.500 INCHES

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