In the intricate world of industrial valves, the seal's integrity plays a pivotal role in operational efficiency and reliability. At Sansheng Fluorine Plastics, we pride ourselves on engineering superior valve sealing solutions that stand the test of time and pressure. Our premier product, the DN40-DN500 compound butterfly valve seal ring, represents the zenith of our innovation, crafted meticulously with a blend of PTFE and FKM. This composition not only ensures commendable durability but also offers unparalleled flexibility across diverse applications.



The essence of our product lies in its universal applicability, catering to a wide port size range from DN50-DN600, making it adept for valve and gas applications amongst others. The compatibility with a variety of media such as water, oil, gas, base oil, and even acid, demonstrates the versatility and robustness of our seal rings. Engineered to meet the stringent standards of ANSI, BS, DIN, and JIS, our seal rings guarantee an optimal fit and seal integrity for wafer type centerline soft sealing butterfly valves and pneumatic wafer butterfly valves alike.Delving deeper into the technicalities, our seal rings adhere to pressure ratings of PN16, Class 150, and PN6-PN10-PN16 (Class 150), showcasing their capability to withstand significant pressure variations. The color customization option allows for a personalized touch tailored to your specific requirements. In terms of connection, our design accommodates both wafer and flange ends, ensuring a seamless integration with your existing valve infrastructure. Moreover, the inclusion of seat materials such as EPDM, NBR, EPR, PTFE, and customization in terms of hardness, underscores our commitment to providing a product that not only meets but exceeds your sealing expectations.