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                    • Wafer
                    • Wafer Hard Seal Butterfly Valve

                      Product model: D373W/H
                      Nominal Path: DN40~2000mm
                      Nominal pressure: PN0.6-4.0 MPa
                      Applicable temperature: - 29 ~ 425 C
                      Applicable media: water, steam, oil, etc.
                      Valve body material: carbon steel, stainless steel
                      Seat Material: Stainless Steel, Stellite Alloy, Tungsten Carbide, Nickel Alloy, Monel
                      Valve plate material: carbon steel, stainless steel, alloy steel
                      Connection mode: pair clamp type
                      Driving mode: worm gear drive, electric, pneumatic and hydraulic

                      Product performance

                      1. The valve adopts a three-eccentric sealing structure. The seat and butterfly plate hardly wear and tear. It has the sealing function of tighter and tighter.

                      2. The valve body is made of stainless steel, which has the double advantages of metal hard seal and elastic seal. It has excellent sealing performance, corrosion resistance and long service life, no matter at low temperature and high temperature.

                      3. Cobalt-based cemented carbide is surfacing welded on the sealing surface of butterfly plate. The sealing surface is wear-resistant and has a long service life.

                      4. Large size butterfly plate adopts quill structure, which has high strength, large overflow area and small flow resistance.

                      5. The valve has two-way sealing function. It can be installed in any direction without restriction of medium flow direction or influence of space position.

                      6. The driving device can be installed at multiple stations (rotating 90 or 180 degrees) for user's convenience.


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