In the evolving world of industrial valve solutions, Sansheng Fluorine Plastics stands at the forefront with its cutting-edge DN40-DN500 compound butterfly valve seal ring, embodying excellence in design and functionality. This product, specially engineered for those in search of unparalleled keystone resilient seated butterfly valve alternatives, merges the best of PTFE + FKM materials to cater to a wide range of media including water, oil, gas, base oil, and acids. The compatibility of our valves with varying pressures – PN16, Class150, and a range from PN6 to PN16 – makes them a versatile solution for diverse industrial needs.



The importance of robust valve solutions cannot be understated in industries where the control and management of fluid flow are critical. Our Wafer Type Centerline Soft Sealing Butterfly Valve and pneumatic Wafer Butterfly Valve are designed not just to fit seamlessly into systems with port sizes ranging from DN50 to DN600 but to offer reliability and durability that industry leaders can trust. The color, connection types (wafer or flange ends), and standards (ANSI, BS, DIN, JIS) can all be customized to meet the specific requirements of our customers, highlighting our commitment to providing bespoke solutions. What sets our keystone resilient seated butterfly valve apart is not just its superior material quality or its adaptability across various applications – be it valve, gas, or other mediums. It's the attention to detail in the craftsmanship, customization in hardness, and the choice of seat materials (EPDM, NBR, EPR, PTFE, and more) that ensure a snug, leak-proof fit and long service life. Complemented by our innovative lug type double half shaft butterfly valve without pin design, Sansheng Fluorine Plastics offers a solution that balances innovation with the tried and tested durability expected from top-tier valve solutions. Our commitment to excellence is your assurance of optimal performance and reliability.