The K40 series is a single-stage axial mine main ventilation fan designed for underground mines, metal & non-metal mines and long tunnel projects. It can be installed on the ground or underground as main or auxiliary ventilator, supporting multi-fan combined operation.
It adopts twisted airfoil adjustable blades, and the blade angle can be adjusted on site to match the changing air resistance of the mine. Equipped with a steady flow ring, the fan has a hump-free performance curve and anti-surge function for stable operation under all working conditions. Direct drive explosion-proof motor reduces failure points, featuring high efficiency, low noise and outstanding energy-saving effect.
The complete unit consists of inlet cone, casing, impeller, explosion-proof motor and diffuser. Multiple sizes and speeds are available. The reversing device and control cabinet are optional for emergency air reversal to meet mine safety standards.
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