This valve is suitable means of connections for inserting and controlling the flow of the water.
Nominal size of stop valve is designated by the nominal bore of the pipe to which valve is normally fitted.
Its body and the bonnet are made of cast brass.
In large buildings, sufficient numbers of stop valves are fixed on the branch pipes to minimize the interruption of the supply during repairs
A stop valve is also called stopcock
Stop valves are of two types
- Internally threaded
- Externally threaded.