High-Quality Keystone EPDM+PTFE Butterfly Valve Seat by Sansheng

In today’s industrial landscape, the integrity and reliability of valve components play a pivotal role in the operational efficiency and safety of numerous systems. At Sansheng Fluorine Plastics, we are proud to introduce our flagship product – the keystone EPDM+PTFE butterfly valve seat, setting new standards in valve technology. Crafted with precision and engineered for excellence, our valve seats offer unparalleled performance across a broad spectrum of applications.



Our keystone EPDM+PTFE butterfly valve seat is designed to meet the rigorous demands of various mediums including water, oil, gas, base oil, and acidic substances. Thanks to the innovative compound of EPDM and PTFE, this valve seat exhibits exceptional resistance to high temperatures, aggressive chemicals, and wear and tear, making it a superior choice for industries ranging from petrochemical and pharmaceutical to maritime and environmental protection. The hybrid material offers the flexibility and resilience of rubber combined with the chemical inertness and temperature resistance of PTFE, ensuring a long-lasting seal with reduced maintenance needs. The versatility of our keystone EPDM+PTFE butterfly valve seat is further enhanced by its compatibility with a wide range of port sizes from DN50 to DN600, catering to varying industrial requirements. Whether it’s for wafer type centerline soft sealing butterfly valves or pneumatic wafer butterfly valves, our product seamlessly integrates into different valve configurations. Customers can specify their color preference, and select from various connection styles including wafer or flange ends, aligning perfectly with international standards such as ANSI, BS, DIN, and JIS. Each seat is carefully crafted to ensure a precise fit, optimizing the valve's performance in controlling flow, minimizing leakage, and enhancing operational reliability across a multitude of settings.