The transmission method of Double Eccentricity Butterfly Valve also have hydraulic, pneumatic and manual(hand) except electric.

The valve can be controlled by the indicator on the electric device in site or controlled by valve controllor in a distance, even controlled by the computer while input the signal. It can be installed freely, without any directivity.

Materials of main parts:

Valve body---- cast iron;

Valve board---- plain carbon steel

Valve rod---- high frade plain carbon steel

Valve base---- nickel alloy

Seal ring---- nitrile, silicon rubber, metal