Pinless butterfly valve is developed based on the wafer butterfly valve and advanced technology introduced from foreign country. In addition to the feature of the wafer butterfly valve. It has strong corrosion resistance and no-pin. This product is suitable for throttling-off and adjusting flow, and can be installed in pipelines in the industries of petroleum processing, chemicals, food medicine, textile, paper making, hydroelectricity engineering, ship building, water supply and sewage, metallurgy, energy engineering as well as light industry, etc.

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