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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.

LATEST NEWS

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.

Supporting Dundee’s Nature-Based Flood Partnership

22.07.2026 -

Sustainable drainage specialist Sudsplanter Ltd has supported a rainwater management project led by Scottish Water and Dundee City Council, through the Water Resilient Dundee partnership. The partnership aims to manage Dundee’s rainwater more naturally, reduce local flood and pollution risk, build climate resilience and create greener spaces, while engaging with communities.

DESMI: The Engineering Behind Reliable Marine Boiler Systems

22.07.2026 -

In marine boiler systems, performance is never defined by a single component. It is the result of how well every element works together under pressure – literally. DESMI has spent decades refining one critical part of that equation: how water flows through high-temperature, high-pressure boiler systems. Not just supplying pumps, but continuously improving how they perform in real operating conditions. Because in this application, efficiency is not enough. Reliability is everything.

AI Innovation Award: Wilo Wins Award for AI-Integrated Water Management Solution

22.07.2026 -

Wilo has been awarded the AI Innovation Award by KI Park e. V. The multinational water technology group has been recognised for “Wilo Speaking Waters”: As a component of the Wilo WATER AI platform, this AI solution will in future convert operating data from water management into predictive analyses and specific recommendations for operators. With this application, Wilo is facilitating predictive operation – and thus the transition to the AI era.