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D643H Pneumatic Flange Hard Seal Butterfly Valve

D643H Pneumatic Flange Hard Seal Butterfly Valve

Product Details

Product name: D643H pneumatic flange hard seal butterfly valve

Introduction to hard seal butterfly valve: the valve adopts three-eccentric structure. The sealing surfaces of the valve seat and disc are made of different hardness and stainless steel. It has excellent corrosion resistance and long life. This valve has two-way sealing function.


Product features:

1. The sealing surface of the disc plate is made of hardfacing cobalt-based cemented carbide, which is wear-resistant and has a long service life

2. Large size butterfly plate adopts quilted frame structure, with high strength, large flow area and small flow resistance.

3. The valve adopts a three-eccentric sealing structure. The valve seat and butterfly plate are almost free of wear, and it has a sealing function that is more and more tight.

4. The sealing ring is made of stainless steel, which has the dual advantages of metal hard seal and elastic seal. It has excellent sealing performance, corrosion resistance, long service life and other characteristics, regardless of low temperature and high temperature.

5. The drive device can be installed in multiple positions (rotating 90 ° or 180 °) for the convenience of users.

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


金属硬密封蝶阀.jpg

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法兰式多层次金属硬密封蝶阀、聚四氟乙烯密封蝶阀.jpg

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