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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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Thirteen startups from nine countries have been selected to fast-track their solutions in global water technology company Xylem’s 2025 Partnerships Accelerator. Focused on addressing critical challenges facing water-stressed communities and water-intensive businesses, their technologies offer new ways to detect contamination, optimize aging systems, reduce energy use, and, critically, keep water flowing.

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The Frankenthal-based pump and valve manufacturer KSB continued the positive trend of the 2024 financial year in the first quarter of 2025. Order intake and sales revenue as well as earnings before finance income / expense and income tax (EBIT), adjusted for the costs of introducing SAP S/4HANA, were up on the comparative quarter of the previous year.

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