Butterfly valve is used for separating and bending flow of water in hydro electric power plants. It basically follows the principles of the ball valve and the closing mechanism is with the assistance of a disc. It belongs to the family of quarter turn valves. The butterfly in the butterfly valve is a disc mounted on a rod. The valve suppliers in China have huge info on the forms of valves and which ones to use where.

The valve suppliers in China not only produce these valves but also export stock and sell on wholesale and retail prices to the people. There are a number of forms of valves like; globe valve, butterfly valve, gate valve, ball valve, electrical and pneumatic actuator valve, pressure gauge valve, etc. In the category of butterfly valve also there are a variety of valves.

The range of butterfly valves available with the valve suppliers in China are concentric butterfly valves, doubly eccentric butterfly valves and triply eccentric butterfly valves. The resilient butterfly valve is used in low pressure areas whereas the triply eccentric butterfly valve has the highest pressure rating.