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May 24, 2017

divided by Drive mode

(1) Electric butterfly valve

(2) Pneumatic butterfly valve

(3) Hydraulic butterfly valve

(4) Manual butterfly valve

By structural form:

(1) Center seal butterfly Valve

(2) Single eccentric seal butterfly valve

(3) Double eccentric seal butterfly valve

(4) Three eccentric seal butterfly valve

Sealing surface Material:

(1) Soft seal butterfly valve.

1 The sealing pair is made of nonmetal soft materials by nonmetal soft material.

2) sealed by the metal hard material to the nonmetal soft material composition.

(2) Metal hard seal butterfly valve. The sealing pair is made of metal hard materials by hard metal material.