4820-01-243-9946, VALVE,STOP-CHECK

National Stock Number:
4820-01-243-9946

Federal Supply Class:
4820

National Item Identification Number:
012439946

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:

152F-6IN DWG 7795 STP CHK	79342	WILLIAM E WILLIAMS VALVE CORP
6"152F3SC	79342	WILLIAM E WILLIAMS VALVE CORP
6"152F3SC	79342	WILLIAM E WILLIAMS VALVE CORP
7795	79342	WILLIAM E WILLIAMS VALVE CORP

Techincal Specification:

BOLT CIRCLE NOMINAL DIAMETER	9.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER	0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY	8 ALL ENDS
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	INSIDE SCREW
CONNECTION TYPE	FLANGE ALL ENDS
FACE TO FACE DISTANCE	16.000 INCHES
FEATURES PROVIDED	BONNET PACKING
FLANGE FACE DESIGN	RAISED STRAIGHT ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE	DISK
NOMINAL OUTSIDE DIAMETER	11.000 INCHES ALL ENDS
NOMINAL THICKNESS	1.000 INCHES ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIAL	STEEL CORROSION RESISTING SEAT
MATERIAL	STEEL CORROSION RESISTING STEM
MATERIAL	STEEL UNS J03002 BODY
MAXIMUM OPERATING PRESSURE	150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITION	VERTICAL
RAISED FACE NOMINAL DIAMETER	8.500 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT	0.062 INCHES ALL ENDS
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	6.000 INCHES
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS

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