Types
Depending on the usage and pressure encountered, butterfly valves come in a wide assortment---from resilient (which uses the flexibility of rubber), to low or high pressure (tricentric) valves, industrial, wafer, plastic to stainless steel and manual or automatic.
Problems
The inability to thoroughly remove all residual substances due to its design is a drawback to using the butterfly valve in some situations. Highly corrosive or abrasive material will wear a valve down quickly; the valves are not recommended for those types of application. Improper (or careless) installation often leads to complaints about the Carbon Steel Butterfly Valves.
Benefits
There are many benefits in the use of a butterfly valve. On the whole they are priced lower than other types of valves. Due to the minimum parts involved in a butterfly valve they have a long operational life and are reliable. Their simple design makes them easy to maintain. Most butterfly valves are lightweight and compact. Butterfly valves are designed to withstand a wide range of temperatures and still work.
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