In the realm of industrial valve applications, precision, durability, and reliability are non-negotiable. At Sansheng Fluorine Plastics, we understand these imperatives deeply, hence our introduction of the DN40-DN500 sanitary EPDM+PTFE compounded butterfly valve sealing ring—a hallmark of excellence for fluid control systems. This product stands as a testament to our commitment to quality and innovation, engineered to meet the diverse needs of various industries including water treatment, oil, gas, and chemical processing.



Crafted from a robust combination of PTFE and FKM, our valve sealing ring offers exceptional resistance to corrosive media, ensuring a leak-proof seal and extended service life. The versatility of the EPDM+PTFE compound allows for operation under a wide range of pressures—PN16, Class 150, PN6-PN10-PN16 (Class 150)—and temperatures, making it suitable for a vast array of media including water, oil, gases, base oils, and acids. Our product's compatibility with port sizes from DN50-DN600 enhances its applicability across various valve and piping systems, thus ensuring a seamless and secure fit. The wafer type centerline soft sealing butterfly valve, including pneumatic wafer butterfly valve options, is designed for ease of installation and maintenance. Available in a myriad of colors upon customer request, and supporting both wafer and flange connection methods, our valve seal rings conform to the highest standards including ANSI, BS, DIN, and JIS. The option for customization in terms of seat materials—ranging from EPDM, NBR, EPR, to PTFE, and FKM—alongside customizable hardness, underscores our dedication to providing solutions that meet specific operational needs. Embedded within these options, the sanitary EPDM+PTFE compounded butterfly valve sealing ring stands out for its unparalleled performance in sanitary applications, offering a hygienic, efficient solution for fluid control and management.