Electric motors specially designed for operations such as lumber drying and various applications in the pulp industry, as well as applications related to food production.
They are designed to meet the tough demands in environments with very high ambient temperatures, high humidity and strong radial and axial forces on the motor shaft.
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Our custom-made motors for different ambient temperatures withstand the demanding stresses that lumber drying entails. We manufacture highly efficient and cost-effective motors with a long service life. The bearings are designed to withstand a high level of humidity, and all screws, nameplates, grease nipples and cable glands are made of stainless steel. The motors are normally B3 design but can be modified to B5 or B3/B5 design. They can be equipped with anti-condensation heaters, as well as without a terminal block (i.e. with a directly mounted cable), if required.
The stator housing and bearing shields are made of strong cast iron, for excellent durability and best bearing seat. The terminal box is mounted towards the drive end as standard. It can be mounted towards the non-drive end if desired.
All external screws, name plates, grease nipples and cable glands are made of stainless steel. The non-drive end is fully enclosed without shaft, fan or fan cover. The ball bearings are dimensioned for heavy duty, high ambient temperatures and high humidity. As standard the DT motors are dimensioned for frequency drive operation.
Motors from size 160 have nipples for lubrication of ball bearings and grease drainage as standard. All motors are delivered with high temperature grease.
The motors are as standard IP55. This can be adjusted to IP44 by removing the two condensate plugs located underneath the stator body.
The motors have built-in thermistors for monitoring or alarm and effective protection from overheating. A special cable gland is available for this. The motors can be modified with thermal contacts if desired.
The motors are designed to be cooled by the air flow from the drying fan and are thus without their own cooling fan. For particularly large hubs on the drying fan, the motors can be ordered with its own cooling fan.
All motors are equipped with the higher insulation class H (maximum working temperature 180°C) on the winding material. But they are calculated/dimensioned for class B, which gives a large overload margin and long service life.
The motors have IEC dimensions on the shaft and foot attachment. The kW may deviate from IEC standards due to special windings and higher ambient temperatures than normal.
The motors are normally in B3 design but can be modified to B5 or B3/B5 design. They can be equipped with anti-condensation heaters and without a terminal box, with directly mounted cable, if required. Many other modifications, such as an extended special shaft, are also available on request.
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BEVI is one of the Nordic region's largest companies in the field of electric drive systems and power generation.
We offer a comprehensive range of electric motors, transmission devices, power electronics, coil winding material, starter equipment and perform services of electrical machines.
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Tel: +46 499-271 00
Mail: info@bevi.se
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