Water Driven Turbine Fans Aluminum outer shell, hydraulically driven turbine. Suitable for high-performance ventilation in various industries such as cabins, factories, tank openings, construction projects, etc., without sparks during use. Working water pressure 1-7 kgf/cm², working water consumption 20-43 m³/hr, air volume 70-220m³/min, working port diameter 300 mm (12''), inlet and outlet equipped with 50A island-style BSP external threaded connector