Subway rail wheel refractory gunning machine sales are specially designed for spraying refractory materials, castable in the refractory repair installation projects. Such as Aluminum Furnace Linings, Industrial Furnace Repair, Heat Treating Furnaces, Reheat Furnaces, Rotary Kiln Linings, Tunnel, Shuttle KiIns, Dryer, and Combustion Chambers, Refractory Boiler Settings, Incinerator Rebuilds, Stack and Duct Linings, Ladle and Crucible Linings.