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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

Sulzer Molten Salt Pumps Improve Efficiency of Highview Power’s New Long Duration Energy Storage Facility

12.09.2025 -

Sulzer has signed an agreement with Highview Power to deliver eight molten salt pumps, five cryopumps and a selection of auxiliary services. The deal represents an engineering-led collaboration that will help unlock long-duration energy storage at Highview Power’s new facility at Carrington, Manchester, and at other future facilities across the UK. The Carrington project will be the first to deliver commercial-scale liquid air energy storage in the UK.

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Case Study: Flush Trials Show Customers Ready to Change Behaviour

09.09.2025 -

Trials of a simple but innovative approach to reducing toilet flushing, involving two UK water companies, show that customers would move to less frequent flushes given the right motivations, says Arthur O’Brien, director, Wizso. A simple odour neutraliser in the form of a pellet dropped into the toilet bowl after urination could save hundreds of thousands of litres of water every year if the results of trials with Affinity Water and Scottish Water are scaled-up.

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Marley Introduces Advanced Washdown Heaters for Wastewater Treatment Facilities

08.09.2025 -

Marley Engineered Products, LLC. proudly announces the release of the next-generation Washdown Heater, available under the QMark and Berko brands. Constructed with stainless steel and corrosion-resistant materials, Marley’s washdown heaters are designed for environments exposed to moisture, chemicals, and frequent cleaning processes, delivering long-lasting, reliable performance.

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