Monday, 23 July 2012


 In high humidity environments, water vapour can easily get inside the smallest crack in the exterior of drives and control units. This isn’t a problem until the water vapour condenses into water droplets near or on the electrical components within these products. This may not happen straight away but without the correct equipment for the job it is just a matter of time.

In March 2010 Guthrie Douglas was asked by a customer to find a solution to prevent drives and controls failing at a composting facility. The plant was originally fitted with IP65 rated drives and control units but after just a few weeks they started to experience electrical problems.

At the composting plant, green waste is placed in rotting tunnels and heated to accelerate the decomposition of the material, creating compost. As green waste generally consists of a large volume of water a large amount of water vapour is produced when it is heated resulting in an extremely humid environment.

 The Guthrie Douglas technical team investigated conditions at the site thoroughly before working with partner GfA to produce a solution using lessons they had learned from installations in Holland where composting plants are commonplace.

The result was a range of IP65i protected drives and control units. This new range was fitted at the composting site in just a couple of weeks, keeping the plant operational. The plant is still using these same drives today.

Since 2010 the range has increased significantly and the products have been fitted to numerous locations. If you have a site where humidity is an issue then IP65i is a must.

More information on the IP65i range and advice on suitable products for any unusual or extreme environment are available from the Guthrie Douglas technical team on 01926 452 452.

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