In the realm of industrial valve technology, one name stands out for engineering excellence and reliability: Sansheng Fluorine Plastics. We are proud to present our flagship product – the DN40-DN500 compound butterfly valve seal ring, an embodiment of precision-designed for your critical fluid control needs. This product, central to our innovative range, is crafted with a meticulous blend of PTFE and FKM, ensuring it stands up to a wide array of operating conditions, including harsh chemical environments and temperature extremes.



Our keystone butterfly valve liner is not just a component; it's your assurance of uninterrupted operational efficiency and reliability. Engineered to fit seamlessly within wafer type centerline soft sealing butterfly valves, this liner is adept at handling media such as water, oil, gas, and even aggressive substances like base oils and acids. Its versatility is matched by its compliance with leading industry standards, including ANSI, BS, DIN, and JIS, affirming its universal applicability across a vast spectrum of industrial applications. Optimization for performance is at the heart of our design philosophy. Thus, the valve liner we provide is customizable in hardness and color, according to customer specifications, ensuring a perfect fit for your unique application requirements. It presents a wide range of pressure adaptabilities from PN6 to PN16 (Class 150), catering to diverse operational demands. Port sizes are equally versatile, ranging from DN50 to DN600, making it a universal solution for a myriad of valve and gas applications. Whether you're dealing with conventional valve systems or exploring pneumatic wafer butterfly valves, our product stands as a keystone—a fundamental element ensuring the efficacy and durability of your valve sealing solutions.