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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 - Persons

Change in Valmet’s Executive Leadership Team

24.07.2026 -

Sami Riekkola, Executive Vice President, Pulp, Energy and Circularity business area, and a member of Valmet’s Executive Leadership Team, has decided to leave Valmet to pursue an opportunity outside of Valmet. His last day at Valmet will be January 22, 2027, at the latest. The recruitment process for his successor will be initiated immediately.

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