How to explain the function of a control valve?

How to explain the function of a control valve?

The presentation of technical products can be a challenging task for companies. On the one hand it is not merely the component that has to be represented, but also the interplay between components and hence their function.

Drinking water culvert with ductile cast iron pipes under the Nežárka river

Drinking water culvert with ductile cast iron pipes under the Nežárka river

The Chotýany-Zlukov drinking water supply pipeline  is one of the most important transport pipelines of the Southbohemian region. Previously, it crossed the River Nežárka as an above-ground pipeline, suspended from a steel bridge, but now, for various reasons, it had to be laid under the river with the construction of a culvert.