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Whitepaper: Select the Right Pump before Errors Get Costly

Whitepaper: Select the Right Pump before Errors Get Costly

Seven pump selection errors that stay invisible at quote time – from NPSH margins to viscosity correction. The free VSX whitepaper “Best Practices for Avoiding Hydraulic Pump Selection Errors” shows engineering and sales teams how to spot them early, what they cost and which standards apply. Includes an 8-point pre-selection checklist.

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How a Diaphragm Pump Works

How a Diaphragm Pump Works

Double diaphragm pumps operate using an oscillating positive displacement principle. The pump consists of two main fluid housings and a central air control section. Inside each housing, a flexible diaphragm is mounted vertically and connected to a shared shaft. As compressed air enters and exits the air chambers, the diaphragms move in a coordinated push pull motion.

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LATEST NEWS - Contracts + Case Stories

How Energy-Efficient Vacuum Technology Improved Paper Sack Production

25.09.2026 -

Vacuum technology is indispensable in paper sack manufacturing. It plays a vital role at several critical stages of the production process. At dy-pack, suction cups mounted on small robotic arms grip the sides of each sack blank, lift it from the stack and position it for the next process step. Vacuum ensures that the sacks are aligned one after the other so that the bottom can be opened in a controlled manner.

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Green Energy for 11,700 Households: WELTEC BIOPOWER Builds Biomethane Plant in Spain

25.09.2026 -

Together with environmental services provider PreZero and Enagás Renovable, WELTEC BIOPOWER began construction of a biomethane plant north of Madrid in August 2026. Once operational, the plant in Colmenar Viejo will generate up to 60 gigawatt-hours of green energy annually, equivalent to the energy requirements of approximately 11,700 households or 30,000 residents.

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