PTFE Lined Flange Type Control Butterfly Valve Location:Home - Products - Lined Control valve
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Product Description:

Pneumatic actuator control butterfly valve is YFM patent product, which belong to D671 wafer and D641 flange type lined butterfly valve series, consist of pneumatic actuator and lined butterfly valve. These valves are divided into fully lined butterfly valve and half lined butterfly valve according to different lining ways. Fully lined butterfly refers to the PTFE/PFA/FEP seat and disc lined with PTFE/PFA/FEP. There is silicon pad to adjust pre-tighten for keeping the best sealing. 

Valve body is split. The sealing of axis end is controlled by Viton which locate between disc and seat, so that the axis is out of touch medium to ensure the sealing without any leakage. 


Patent No.:

ZL200610072149.6  ZL201430041568.9

 

Product parameter:

Connection type: Wafer, Flange, Lug

Lining material: PFA, PTFE, FEP, GXPO etc.

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