Sansheng Fluorine Plastics is proud to present our industry-leading solution for your valve sealing needs - our exceptional Keystone EPDM Butterfly Valve Liner, crafted from a high-grade PTFE and EPDM compound. This innovative product represents the pinnacle of valve technology, combining the resilience and flexibility of EPDM rubber with the chemical resistance of PTFE, creating a sealing solution unmatched in durability and performance.



Our Keystone EPDM Butterfly Valve Liner is engineered to withstand demanding conditions, including pressures ranging from PN6 to PN16 and Class 150, making it versatile for a wide array of industrial applications. The white and black composition of the PTFE+EPDM materials not only ensures optimal performance under varying pressure conditions but also guarantees compatibility with a broad spectrum of media, including water, oil, gas, basic oils, and acids, thus offering unparalleled versatility. Designed for easy integration, our liners come in port sizes ranging from DN50 to DN600, accommodating a broad range of valve and pipeline sizes. Applications span across valves and gas systems, where the demand for reliable, leak-proof operation is paramount. This product champions ease of installation and maintenance, featuring compatibility with both wafer and flange-end connections. Adhering to global standards including ANSI, BS, DIN, and JIS, our Keystone EPDM Butterfly Valve Liner ensures a perfect fit and function in various valve types, such as wafer-type centerline soft sealing butterfly valves and pneumatic wafer butterfly valves. Upholding customer specifications, we offer customization in color and adapt to specific connection needs, delivering a product tailored to your requirements. Embrace the future of valve sealing technology with Sansheng Fluorine Plastics' Keystone EPDM Butterfly Valve Liner, where innovation meets reliability.