Sansheng Fluorine Plastics is proud to introduce its flagship line of Keystone sanitary butterfly valves, designed for unparalleled sealing efficiency and durability in various industrial applications. Our sanitary EPDM PTFE compounded butterfly valve sealing rings set the standard in the industry for reliability and performance. Constructed from a robust combination of PTFE and EPDM, our valve sealing solutions boast a unique white and black color scheme that is not only visually distinctive but also indicative of the premium materials used. These materials ensure compatibility with a wide range of media, including water, oil, gas, base oils, and even challenging acids, making them a versatile choice for diverse operational environments. Our valves are engineered to meet rigorous pressure standards, including PN16, Class 150, and a range spanning PN6 to PN16 (Class 150), ensuring they can withstand the demands of various applications without compromise. The available port sizes range from DN50 to DN600, catering to a broad spectrum of pipeline dimensions and flow requirements. One of the standout features of our Keystone sanitary butterfly valves is the variety of connection types offered – wafer and flange ends – which provide flexibility in installation and maintenance. Moreover, the color customization option allows our clients to request valves that align with their specific aesthetic or coding requirements, enhancing system integration and identification. Compatibility with international standards such as ANSI, BS, DIN, and JIS is a testament to our commitment to quality and the global applicability of our products. With seat options including EPDM, NBR, EPR, PTFE, and more, our valves are customizable to the specific needs of your application. Whether you require a valve for a pneumatic wafer butterfly system, a lug type double half shaft butterfly valve without a pin, or any other setup, our range has you covered.



Our valves are not just functional; they are designed with a focus on ease of installation and maintenance. The high-quality materials like PTFE ensure not only longevity but also minimal operational downtime due to maintenance needs. This commitment to quality and functionality is why the keystone sanitary butterfly valves from Sansheng Fluorine Plastics are the go-to option for professionals seeking reliable valve solutions. Embrace the efficiency of Sansheng's Keystone sanitary butterfly valves for your operational needs. Our commitment to innovation, combined with rigorous testing, ensures that every product we offer not only meets but exceeds industry expectations. Choose reliability, choose performance, choose Sansheng Fluorine Plastics.