home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The Epic Interactive Encyclopedia 1996
/
Epic Interactive Encyclopedia, The (1996)(Epic Marketing)[non-bootable].iso
/
b
/
ball_valve
/
infotext
< prev
Wrap
Text File
|
1992-09-02
|
263b
|
9 lines
A ball valve is a valve that works by the
action of external pressure raising a ball
and thereby opening a hole. An example of
this is the valve used in lavatory cisterns
to cut off the water supply when it reaches
the correct level.
Subject by: Nathan Ludkin