Technical paper by Susanne Suttrop

Committed to their slogan – Coppenrath & Wiese – Where else can you get quality like this? –  the company has earned a reputation in the field of frozen desserts that has been solidly anchored in the consciousness of consumers for more than 40 years (Fig. 1). But a slogan alone is not enough to satisfy customers if not simultaneously associated with reliably high quality products. That is why the company insists not only on high quality, fresh ingredients and skilled, talented employees but advanced production processes as well.

With a daily production volume of 3.3 million rolls as well as more than 200,000 various tortes, failure of even one component can lead to significant financial losses. For this reason, the company’s expectations for high-quality production systems are just as high as the expectations of consumers for outstanding products.

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Fig.1 The new NKX heat transfer oil circulation pump

The pump manufacturer Dickow has developed a new pump line NKX for circulation of thermal oil. The pump casing is designed for 16 bar and 350 °C. The new pump line extends the application limit of the previous NKLs-type. The new NKX will replace the series NKLs with exactly the same dimensions in future.

The NKX is used as a circulation pump for hot oils in industrial heating plants/units. The performance range covers capacities up to 400 m3/h and differential heads up to 90 m in 50 Hz services; and capacities up to 2,500 US-gpm and differential heads up to 400 ft in 60 Hz services. The dimensions and performance range of these centrifugal pumps are according to DIN EN 733, that means range is subdivided into different pump sizes in order to achieve best efficiency for all service conditions inside the envelope.

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Hot water version

The new CombiTherm Plus pump provides transfer of hot fluids without the need for additional, external cooling systems. The pump is available in two configurations suitable for the pumping of hot oil or hot water and provides an highly efficient and pumping solution. The air-cooled CombiTherm Plus pump provides transfer of hot oil or hot water in a wide range of applications including

• injection molding,
• chemical processing,
• asphalt / bitumen and tar processing,
• deep frying systems,
• steam generators,
• fuel heaters and
• heat recovery systems.

The pump keeps fluid temperatures uniform to ensure processes are efficient while its design protects seal faces and bearings from the heat of the fluid; ensuring durable, low maintenance, long life operation.

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