4820-00-933-5987, VALVE,LIFT-CHECK

National Stock Number:
4820-00-933-5987

Federal Supply Class:
4820

National Item Identification Number:
009335987

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:

6-1-1910-20-264	72869	EIDAL INTERNATIONAL CORPORATION
FIG54-1/4X2-1/8X1-13/32	75144	JENKINS BROS
FIG99A	48422	WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION

Techincal Specification:

CONNECTION STYLE	PLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHOD	WEIGHT
OPERATING PRESSURE	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B-64 CLASS B ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM WPC ALLOY NO.56 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL	COPPER ALLOY BODY
MATERIAL	NICKEL AND COPPER ALLOY SEAT
MATERIAL	NICKEL ALLOY FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNED	STEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SECOND RESPONSE
MOUNTING POSITION	HORIZONTAL
RENEWABLE SEAT RING TYPE	THREADED
SPECIAL FEATURES	RENEWABLE PLUG TYPE DISCS; VALVE SHOULD BE INSTALLED WITH PRESSURE UNDERTHE DISCS
VALVE OPERATION METHOD	AUTOMATIC
STYLE DESIGNATOR	STRAIGHT THRU
SUPPLEMENTARY FEATURES	FLOW CONTROL DEVICE: PLUG
THREAD DIRECTION	RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR	NPT ALL ENDS

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