triple eccentric butterfly valve is different from the center line butterfly valve and double eccentric butterfly valve. This is another kind of butterfly valve. For more than 20 years, it has been widely used in our country. This is a very mature products. Why call triple eccentric butterfly valve? Because there are 'three partial' with this butterfly valve. What is the exact 'three partial'? An: butterfly plate rotation ( The valve shaft) And disc sealing surface type A bias; Partial: the butterfly plate rotation ( The valve shaft) And body line form B bias; Three partial: valve sealing surface lines form a line, and seat Angle is the Angle of the beta. Triple eccentric butterfly valve, easy to operate, no friction, and with the increase of actuator torque closed, compensate for sealing, improve the sealing performance of butterfly valve, the service life is longer than the center line butterfly valve.

Nowadays, it is very common for us to utilise in cast iron valve. And the quality of is decisive to production efficiency.
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