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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

Why an Automatic Motor Upgrade Might Be Missing the Point

09.06.2026 -

Drawing on expert interviews conducted as part of the UK Government’s Post-Implementation Review of the Ecodesign Regulations for Electric Motors and Variable Speed Drives, Thomas Marks, Director General at the Association of Electrical and Mechanical Trades, outlines why an automatic motor upgrade might be missing the point, and explains what your alternative options are.

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Wilo Officially Inaugurates a Sustainable Energy System at its Hof Site

09.06.2026 -

By officially launching a new energy concept in Hof, Germany, the Wilo Group is driving forward the sustainable development of its sites. Together with representatives from the region’s political, business, academic and agricultural sectors, the water technology group celebrated the successful completion of a project that combines climate protection, security of energy supply and regional value creation.

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