New stem of butterfly valve from KONRAD
The most common type of in-line valve used in a water distribution system is the butterfly valve also called a water service valve. The foremost butterfly valve type is one with a non-rising stem, a valve in which the stem does not rise as the valve is operated. This valve is reasonably dependable, has an almost unblocked waterway when open, is very economical in smaller sizes, and can be installed underground with a minimum cost.
New stem of butterfly valve from KONRAD
The most common type of in-line valve used in a water distribution system is the butterfly valve also called a water service valve. The foremost butterfly valve type is one with a non-rising stem, a valve in which the stem does not rise as the valve is operated. This valve is reasonably dependable, has an almost unblocked waterway when open, is very economical in smaller sizes, and can be installed underground with a minimum cost.
