4820-00-287-2777, VALVE,LIFT-CHECK

National Stock Number:
4820-00-287-2777

Federal Supply Class:
4820

National Item Identification Number:
002872777

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:

012179-8	15823	UNIFLITE INC
158	48422	WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
1B948-1IN	14448	HAMMOND VALVE CORP
20	14959	CRANE CO DIV VALVE DIV
158B SZ 1 IN	48422	WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
7108-3018	73342	ALLISON TRANSMISSION INC
901-125#-1IN.	14448	HAMMOND VALVE CORP
901-1IN	14448	HAMMOND VALVE CORP
FIG231	37239	LUNKENHEIMER CO
WW-V-51	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
73	90664	WALWORTH CO MARINE DIV
73 1 IN	90664	WALWORTH CO MARINE DIV

Techincal Specification:

BONNET ATTACHMENT METHOD	THREADED
BONNET TYPE	INSIDE SCREW
CONNECTION STYLE	PLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICE	DISK
OPERATING PRESSURE	300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
OPERATING PRESSURE	150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL	COPPER ALLOY 836 SEAT
MATERIAL	COPPER ALLOY 836 BODY
MATERIAL	RUBBER FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP	100.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP	500.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNED	STEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SECOND RESPONSE
MOUNTING POSITION	HORIZONTAL
NOMINAL THREAD SIZE	1.000 INCHES ALL ENDS
VALVE OPERATION METHOD	AUTOMATIC
STYLE DESIGNATOR	STRAIGHT THRU
THREAD DIRECTION	RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR	NPT ALL ENDS

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