Cooling fans.

The "DiaForce Diagonal" range of cooling fans from EBM-Papst is now available through Inelco Hunter. The revolutionary design incorporates a unique geometry of the impeller and housing: a conical cover plate that rotates with it, whilst the intake opening is smaller than the outlet opening, thus creating a larger pressure ­increase.

In terms of its characteristics, the DiaForce lies between an axial and a centrifugal fan. The DiaForce is quieter thanks to aerodynamic optimisation - the blade tips pass directly into the cover plate. As a result, there is no tip gap and therefore hardly any turbulence in the gap area, where there is a significant pressure gradient. It is this specific design that results in a significant reduction in noise.

The air flows through the fan in both axial and radial directions, enabling a high-pressure increase. It retains an axial design, making it easy to install. Compared to a conventional single-stage axial compact fan, the results are impressive: up to 50% more air performance and up to 6 dB(A) lower sound level. In the context of a typical application, the result is greater performance without compromise. System performance can be enhanced while still satisfying all standards, such as NEBS, OSHA, ANSI and ETSI.

The DiaForce is a complete system consisting of a high-performance DC motor, optimised aerodynamics and intelligent control electronics. Systems that process huge amounts of data are becoming increasingly powerful, and cooling is becoming a challenge in a variety of industries, such as automation, 5G telecommunications, autonomous driving and AI. The DiaForce’s performance is “future-proof” in that it will be able to meet the needs of future applications. Enhanced reliability is another proven benefit - the DiaForce’s power reserves can be used to create redundancy. If, for example the temperature increases, simply increase the speed. This is not possible with conventional single-stage cooling fans because they have to be operated at the power limit even during normal operation.

As an optional extra, the new FanCheck diagnostic tool can be added to the DiaForce. This is integrated into the fan electronics and calculates the realistic service life of the fan based on temperature, speed and preset environmental parameters. This means the fan can stay in operation for longer without any loss of reliability, which saves on costs and protects the environment. The overall dimensions are a very compact 119mm x 119mm x 89mm deep, and mounting is carried out using eight industry-standard mounting holes. It is powered by a 48VDC input and can provide a flow rate of up to 680m3 per hour.

Inelco Hunter works with EBM-Papst to provide a Higher-Level Assembly Service, which enables fan design customisation. 

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