Double Disc Gate Valve TIANYU pneumatic ceramic gate valve: DN50~DN400, PN10~16, ≤200℃. WCB body, ceramic discs/seats, flange connection. For ash, slurry, powder. Customizable: electric actuator, 99% alumina ceramic for high abrasion, RTJ flanges. Reliable, wear-resistant, ideal for power, mining, cement industries. Ensures long service in harsh media.