The main material of ANSI double flange butterfly valve is stainless steel and carbon steel. Triple Offset butterfly valve structure, using metal hard seal valve seat, The main operation mode is worm gear. It is a butterfly valve designed and manufactured according to the current American standard API609.
double flanged metal seated ANSI butterfly valve
The product adopts a three-dimensional eccentric oblique cone valve seat, and the butterfly plate seal adopts a new type of metal sheet inlay, which can be more consistent with the valve seat.
The butterfly plate is used to rotate and compress the seal, so the frictional resistance of the sealing surface is small. When it is closed, it becomes tighter and tighter. When it is opened, the seal is completely out of contact, ensuring that the sealing surface will not be damaged.