Energy is valuable. That's why it is important to keep the pressure loss in liquid-filled piping systems to a minimum. This allows pumps to be dimensioned as small as possible or to put in less work to provide the required pressure. What role do the valves fitted in the system play in this context?

“One man's pleasure is another man’s pain” – this also applies to the weather. While some of us are basking in the sun, others, such as farmers, are looking at the sky with concern, hoping for rain. As a matter of fact, the past two decades have seen the ten hottest years since weather started to be recorded worldwide 150 years ago. 2020, too, is predicted to be dry as a bone. But how will potatoes, wheat & Co. obtain the vital liquid, if it is not coming from above?