4820-00-673-3407, VALVE,LIFT-CHECK

National Stock Number:
4820-00-673-3407

Federal Supply Class:
4820

National Item Identification Number:
006733407

Description:
VALVE,LIFT-CHECK

Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST 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. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.

Manufacturer Information:

68-26-4

98391

ARKWIN INDUSTRIES, INC.

Techincal Specification:

DISK LOADING METHOD	SPRING
CONNECTION TYPE	THREADED INTERNAL TUBE 1ST END
CONNECTION STYLE	PLAIN, OPTIONAL END (PIPE) 1ST END
MATERIAL	ALUMINUM ALLOY BODY
MATERIAL	ALUMINUM ALLOY SEAT
MATERIAL	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIAL	STEEL CORROSION RESISTING STEM
PROPRIETARY CHARACTERISTICS	PACS
MAXIMUM OPERATING TEMP	275.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.635 INCHES 1ST END
NOMINAL THREAD SIZE	0.875 INCHES 1ST END
SPECIAL FEATURES	66 DEG RH TURN TO OPEN POSITION
VALVE OPERATION METHOD	MANUAL
STYLE DESIGNATOR	STRAIGHT THRU
THREAD CLASS	3B 1ST END
THREAD DIRECTION	RIGHT-HAND 1ST END
THREAD QUANTITY PER INCH	14 1ST END
THREAD SERIES DESIGNATOR	UNF 1ST END

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