4820-01-279-4559, VALVE,STOP-CHECK

National Stock Number:
4820-01-279-4559

Federal Supply Class:
4820

National Item Identification Number:
012794559

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:

B1221E-6IN	30263	PIMA VALVE, LLC
FIG NO B-1221-E SZ 6 IN	30263	PIMA VALVE, LLC

Techincal Specification:

MATERIAL	COPPER ALLOY 922 OR
	COPPER ALLOY 836 BODY
	COPPER ALLOY 922 OR
	COPPER ALLOY 836 FLOW CONTROL DEVICE
	NICKEL ALLOY 400 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS
VALVE SIZE	6.000 INCHES
FACE TO FACE DISTANCE	14.000 INCHES
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	STEAM 1ST RESPONSE
	WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE	150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD	MANUAL
CONNECTION TYPE	FLANGE ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER	11.000 INCHES ALL ENDS
NOMINAL THICKNESS	0.813 INCHES ALL ENDS
BOLT HOLE QUANTITY	8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER	0.875 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER	11.750 INCHES ALL ENDS
FLANGE FACE DESIGN	PLAIN ALL ENDS
MOUNTING POSITION	HORIZONTAL
BONNET TYPE	INSIDE SCREW
BONNET ATTACHMENT METHOD	BOLTED
FURNISHED ITEMS AND QUANTITY	1 HANDWHEEL
SPECIAL FEATURES	MONEL TRIM

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