4810-01-268-5998, VALVE,STOP-CHECK

National Stock Number:
4810-01-268-5998

Federal Supply Class:
4810

National Item Identification Number:
012685998

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:

B14251E-0400

30263

PIMA VALVE, LLC

Techincal Specification:

BOLT CIRCLE NOMINAL DIAMETER	7.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER	0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY	8 ALL ENDS
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	OUTSIDE SCREW-YOKE
CONNECTION TYPE	FLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE	5.500 INCHES
FLANGE FACE DESIGN	PLAIN ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL	COPPER ALLOY BODY
MATERIAL	NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY SEAT
MATERIAL	NICKEL ALLOY STEM
MAXIMUM OPERATING PRESSURE	150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITION	VERTICAL
NOMINAL OUTSIDE DIAMETER	9.000 INCHES ALL ENDS
NOMINAL THICKNESS	0.688 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE	5.500 INCHES
STYLE DESIGNATOR	ANGLE FLANGED ENDS
SUPPLEMENTARY FEATURES	THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 30263, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	4.000 INCHES

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