Germany’s Topwerk Group, the umbrella organization over Hess, Prinzing-Pfeiffer and SR-Schindler concrete masonry, pipe and dry or wet cast product machinery, has relocated the Topwerk America Ltd. headquarters to Houston from Burlington, Ontario, and appointed Chad Rathke as president and chief executive officer, as well as SR-Schindler regional sales director. Gudrun Hess will continue as president of newly named Topwerk…

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Stephens to produce, promote DrumBlaster mixer truck cleaning equipment

Sources: Stephens Mfg., Tompkinsville, Ky.; CP staff

Stephens Mfg. will manufacture, service and market the DrumBlaster Daily Washout System in North America under a new agreement with the equipment’s Brisbane, Australia developer. Through a small control booth and telescoping, nozzle-tipped wand, the system automates rear or front discharge mixer truck drum cleaning, typically in five-minute cycles, and can reduce material build up on fins up to 85 percent compared to conventional washout routines. North American DrumBlaster installations since the system’s 2017 market premier include sites running Stephens batch plants. 

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Campbell Concrete pilots DrumBlaster mixer truck washout system


Sources: DrumBlaster North America, Tampa, Fla.; CP staff

Houston-based Campbell Concrete & Materials LLC is the premier North American user of the DrumBlaster Daily Washout System. Developed in Australia, the equipment combines a narrow, elevated booth from which mixer truck drivers or station operators activate a telescoping 8- or 10-meter boom, tipped with multiple jets directing water at 300 psi to blast residual concrete from drum wall and fins. In typical plant operations, the boom is set for two three-minute passes.

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