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Master-PROTECT tube bends not only feature a PU lining but have a special, patented internal geometry. The lining acts as a protection to the actual tube wall and prevents early wear. The most distinctive feature, however, is the reinforced lining at the very point of the bend that is subject to the greatest mechanical loads. The inclined PU portion provides a relatively smooth material flow around the bend, ensuring particles hit the lining instead of damaging the tube wall. The risk of clogging is reduced since clogging does not occur at the narrowest point of the bend but at the slowest flow rate. The new design ensures improved material flow and reduced pressure drop. At the same time, material build-up and caking is decreased since the tube bend has no offsets or edges upon which material could accumulate. The innovative product features a lightweight, compact design and provides significantly lower noise operation than any conventional models. By now, Master-PROTECT tube bends have proven their worth in various applications, i.e. whenever abrasive bulk goods are conveyed at temperatures of up to 90°C. Such materials include quarry sand, glass dust, and iron oxides.
Conclusion: Based on customer dialogue, the problem of frequent pneumatic conveyor failure due to excessive tube bend wear had been identified and solved. The employment of customized, durable products may avoid unnecessary consequential costs and thus improves the economic efficiency of the entire plant.
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