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1.      Using the bi-eccentric structure and more closed more tightly, reliable sealing performance.

2.      Using stainless steel and oil resistance Buna-N rubber match as the vice Sealing material, being durable.

3.      Rubber seals can be located on the valve body or butterfly board, and applicable to different characteristics of the media, for the user to choose.

4.      Butterfly plate with frame structure, high strength, large flow area, flow resistance.

5.      The overall paint can effectively prevent corrosion. And just replace the seal material can be used in different media.

6.      Having the function of two-way sealing. Installing could be in any direction, not be controlled by media flow and air position.

7.      Unique structure, flexible operation, labor-saving and convenient

WBPX(D672X)-6/10/16The main external connection dimensions of  Pneumatic soft seal butterfly valve (unit:mm)

 After the installation, regular maintenance is necessary. The maintenance scopes are mainly as follows：

(1)  the abrasion condition of sealing surface；

(2)  the abrasion condition of valve stem and its trapezoidal nut；

(3)  the abrasion condition of "O" rubber sealing ring；

(4)  Whether packing is effective;

(5) Whether there is dirt accumulation in cavity;