4820-01-436-6301, VALVE,STOP-CHECK

National Stock Number:
4820-01-436-6301

Federal Supply Class:
4820

National Item Identification Number:
014366301

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:

2177934	80064	NAVAL SHIP SYSTEMS COMMAND
803-2177934-B83	80064	NAVAL SHIP SYSTEMS COMMAND
803-2177934-B836 NON L1	80064	NAVAL SHIP SYSTEMS COMMAND
803-2177934-B836AF	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

MATERIAL	COPPER ALLOY BODY
	NICKEL ALLOY 400 OR
	NICKEL ALLOY R-405 FLOW CONTROL DEVICE
	NICKEL ALLOY R-405 SEAT
	NICKEL ALLOY R-405 STEM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-C-24679, ALLOY C71500 MIL SPEC SINGLE MATERIAL RESPONSE BODY
	QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-N-281, CLASS B FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
	QQ-N-281, CLASS B FED SPEC SINGLE MATERIAL RESPONSE SEAT
	QQ-N-281, CLASS B FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR	STRAIGHT THRU
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD	MANUAL
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	SOCKET WITH BRAZING RING (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED	2.000 INCHES ALL ENDS
MOUNTING POSITION	HORIZONTAL
BONNET TYPE	PACKING RETAINING

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