In the realm of industrial valve solutions, the quality and reliability of components can significantly impact the efficiency and safety of operations. Sansheng Fluorine Plastics proudly presents its Keystone EPDM Butterfly Valve Liner, a pinnacle of engineering designed to cater to a wide range of applications requiring precise fluid control. Our product stands as a testament to our commitment to excellence and our pursuit of innovation in the industry.



At the heart of our product lies the harmonious combination of PTFE and EPDM. This unique blend ensures our valve liners are not only durable but also versatile, capable of withstanding various media such as water, oil, gas, base oils, and even acids. The color scheme of white and black not only signifies the fusion of materials but also represents the balance between performance and resilience. Our Keystone EPDM Butterfly Valve Liner is engineered to operate flawlessly under pressures ranging from PN6 to PN16 (Class 150), making it a versatile solution across a myriad of industrial applications. The application range of our Keystone EPDM Butterfly Valve Liner is as broad as it is impressive. Designed for use in valves and gas systems, its adaptability is showcased in its compatibility with a wide range of port sizes from DN50 to DN600. This flexibility is further enhanced by the liner’s suitability for both wafer and flange end connections, ensuring a perfect fit for various valve types including wafer type centerline soft sealing butterfly valves and pneumatic wafer butterfly valves. The choice of colors is tailored to customer requests, emphasizing our commitment to personalization and satisfaction. Our liner adheres to stringent international standards including ANSI, BS, DIN, and JIS, ensuring global applicability and reliability. Whether for use in rubber, NBR, EPDM, FKM, or FPM seats, our valve liner excels in delivering unmatched performance.