Butterfly is a reciprocating rotary disc opening and closing parts of about 90 degrees to open, close and adjust a valve fluid.

Butterfly is not only simple structure, small size, light weight, material consumption province, installation of small size, and the drive torque is small, simple, rapid, and also has good flow regulation and shut sealing performance, so the last ten years, the development is fast, has partially replaced the shut-off valve, ball valve, gate valve applications, with the progress of the butterfly valve technology in the foreseeable short time, especially in large and medium-caliber, low-pressure areas in the use of butterfly will become the dominant valves form.

Butterfly valve plate due to the movement with a wiping, so most butterfly valves may be used in the medium with suspended solid particles, according to the strength of the sealing member to be used in powder and granular media.

Many butterfly species, according to the structure in the form of points, can be divided into middle sealing butterfly valve, single eccentric butterfly valve, double eccentric butterfly valve, butterfly valve; divided by sealed form, can be divided into soft seal butterfly valve, hard seal butterfly valve; according to connection points, then divided flange butterfly valve, wafer type butterfly valve, welding butterfly valve, lug type butterfly valve, in addition to the vacuum valve, sanitary butterfly valve; according to the driving mode, can be divided into electric butterfly valve, pneumatic butterfly valve, worm butterfly valve, butterfly valve handles, etc. .

Automatic Control Valve Co., Ltd., Jiangsu Acre has a strong technical force, butterfly products formed a whole series of dozens of varieties, widely used in various industrial applications.