Sansheng Fluorine Plastics proudly introduces its innovative Keystone Resilient Butterfly Valve Sealing Rings, engineered with an advanced blend of PTFE and EPDM. This state-of-the-art combination brings forth unparalleled durability and functionality in the realm of industrial valve sealing solutions, catering to a wide range of applications across various sectors. Crafted to meet the stringent standards of PN16, Class 150, and PN6-PN10-PN16 (Class 150), our valve seats are designed to operate flawlessly under diverse pressure conditions. They are suitable for handling an extensive variety of media, including water, oil, gas, base oil, and even corrosive acids, ensuring versatility and reliability in every operation. The comprehensive port size range from DN50 to DN600 facilitates seamless integration into existing systems, making installation hassle-free and efficient. Our Wafer Type Centerline Soft Sealing Butterfly Valve and Pneumatic Wafer Butterfly Valve embody the pinnacle of design excellence. Available in custom colors as per customer request, these valves offer a premium connection through either wafer or flange ends, ensuring a secure and leak-proof operation. The variable hardness options, tailored to customer specifications, further enhance the adaptability of our products to specific requirements. The valve seats, available in multiple materials such as EPDM, NBR, EPR, PTFE, and more, underscore our commitment to providing solutions that cater to a wide array of operational conditions and media. Incorporating a unique blend of PTFE and EPDM, our valve seats not only guarantee outstanding chemical resistance but also ensure longevity and resilience, even in the most demanding environments. Whether you’re dealing with high-temperature applications or corrosive substances, our butterfly valve seats maintain their integrity and provide a reliable seal, reducing maintenance costs and downtime.



Designed for utmost efficiency, these valves feature a lug type double half shaft without pin, promoting ease of installation and maintenance. The innovative PTFE coated EPDM valve seat technology enhances the sealing capability, offering superior performance for resilient seat butterfly valves ranging from 2'' to 24''. Our commitment to excellence is further evidenced in the meticulous design of the rubber seat dimensions, ensuring a perfect fit and optimal performance. Choose Sansheng Fluorine Plastics for your valve sealing needs and experience the difference that our EPDM PTFE butterfly valve seats bring to your operations. Embrace the innovation, durability, and reliability that our products offer, ensuring that your systems operate smoothly and efficiently, day in and day out.