150#lbs 4'' & 6'' High performance ceramic knife gate valves were exported to Chile for Copper mining industry. The ceramic knife gate valves are designed for abrasive ash, slurry, powder etc.
The features of the ceramic knife gate valves are as follows:
Seat: Ceramic, Disc fully inlaid with ceramic in one side
Automatic blowing device to avoid ash accumulation and blocking
Ceramic to Ceramic seal achieves zero leakage after precise grinding
Much longer working life, lower maintenance cost and less downtime