PTFE Lined Butterfly Valve

PTFE lined butterfly valve adopts full fluorine lining design, resistant to strong acid, strong alkali and various corrosive chemicals. Available in wafer, lugged and flanged types. Widely used in chemical, metallurgy, environmental protection industry.

Manufacturing Range

    Size: DN50–DN1200

    Pressure: PN10, PN16

    Body Material: Cast iron, WCB

    Lining: PTFE(F46)

    Operation: Lever, Worm gear, Electric, Pneumatic

    End Connection: Wafer / Lugged / Flanged



Design Features

    Full PTFE lining, excellent anti-corrosion performance

    Concentric structure, simple & reliable

    Bubble tight shut-off for acid, alkali and corrosive media

    Wide temperature range, stable chemical property

    Easy to install and maintain



Design Standards

    Design & Manufacture: GB/T 3036

    Pressure Test: GB/T 13927

    Flange: GB/T9113, ASME B16.5

    Face to Face: API 609