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Mixed-flow fan

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Product

Fan category

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Product

Fan category

Product Description

A mixed-flow fan is a type of fan that lies between an axial-flow fan and a centrifugal fan. In a mixed-flow fan, the impeller causes air to undergo both centrifugal and axial motions simultaneously. The airflow within the casing combines elements of both axial and centrifugal flow patterns, hence the term “mixed-flow.” Mixed-flow ( Diagonal flow ) The fan has a higher pressure coefficient than axial-flow fans and a larger flow coefficient than centrifugal fans. It is ideally suited for applications where both the pressure and flow rates are neither too high nor too low, effectively bridging the gap between axial-flow and centrifugal fans. At the same time, it boasts the advantage of simple and convenient installation. The mixed-flow fan combines features of both axial-flow and centrifugal fans, and its external appearance closely resembles that of a conventional axial-flow fan. The housing may feature an open inlet; however, more commonly, it has a right-angle bend, allowing the motor to be positioned outside the duct while the discharge casing expands gradually. , To slow down the velocity of an air or gas flow and convert kinetic energy into useful static pressure. SWF(B)1 The series of low-noise, energy-saving mixed-flow fans represent a new type of fan that lies between axial-flow and centrifugal fans. They combine the high pressure characteristic of centrifugal fans with the large flow rate of axial-flow fans, offering high efficiency, excellent energy savings, low noise levels, and easy installation. These fans feature a novel design, a compact structure, small size, and light weight. They are easy to install and operate at speeds below... 2000 rpm, Noise below 75 dB(A), When the fan is connected to the duct and installed inside the air conditioning unit, the noise level is less than... 70 dB(A). The low-pressure centrifugal fan is widely used in industrial and civil buildings for ventilation, smoke extraction, and other applications. The fan primarily consists of components such as an impeller, a casing, an inlet diffuser, guide vanes, and an electric motor. The impeller features a twisted-blade design with meridional acceleration characteristics; the blades are welded onto the hub. After dynamic balancing and overspeed testing, the fan exhibits excellent aerodynamic performance. The casing is circular and integrally connected to a silencer-equipped air collector. At the outlet, guide vanes are installed, ensuring uniform airflow distribution and stable pressure.