4820-01-061-0232, VALVE,STOP-CHECK

National Stock Number:
4820-01-061-0232

Federal Supply Class:
4820

National Item Identification Number:
010610232

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:

B-12217-IN-0000	30263	PIMA VALVE, LLC
B12217-EN000011/4IN	30263	PIMA VALVE, LLC
B12217-IN00001 1/4IN	11859	HUNT VALVE COMPANY, INC.
B12217-IN00001 1/4IN	30263	PIMA VALVE, LLC

Techincal Specification:

BOLT CIRCLE NOMINAL DIAMETER	3.875 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER	0.500 INCHES ALL ENDS
BOLT HOLE QUANTITY	4 ALL ENDS
BONNET TYPE	OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD	THREADED
CONNECTION TYPE	FLANGE ALL ENDS
DISK LOADING METHOD	SPRING
FACE TO FACE DISTANCE	6.000 INCHES
FLANGE FACE DESIGN	PLAIN ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL	COPPER ALLOY BODY
MATERIAL	COPPER ALLOY PACKING
MATERIAL	NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY SEAT
MATERIAL	NICKEL ALLOY STEM
MAXIMUM OPERATING TEMP	450.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	STEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNED	WATER, SALT SECOND RESPONSE
MOUNTING POSITION	HORIZONTAL
NOMINAL OUTSIDE DIAMETER	4.625 INCHES ALL ENDS
NOMINAL THICKNESS	0.406 INCHES ALL ENDS
OPERATING PRESSURE	300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHOD	AUTOMATIC
VALVE SIZE	1.250 INCHES
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS

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