Compound metal sealing butterfly valve

Standard: JB/T8527

Nominal pressure: PN0.1 、 0.25 、 0.6Mpa

Nominal diameter: DN350 -2000mm

Suitable temperature: ≤ 350 ℃ ≤ 450 ℃

Pressure: GB/T13927 one way sealing

Stainless steel and asbestos multi-layer compound disk sealing material, as one way cuting off and regulating device.