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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 - Corporate News

Water Reuse Drives Growth: De.mem Increases Revenue and Profitability

18.09.2026 -

Water scarcity, increasing industrial demand, and stricter wastewater treatment requirements are driving up investment needs in the water sector worldwide. Water reuse, in particular, is gaining importance. In this market environment, the Australian-German water technology company De.mem significantly increased its revenue, earnings, and operating cash flow in the first half of 2026.

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BPMA: Delivering AMP8 Will Require More Than Investment

28.08.2026 -

The UK water sector’s AMP8 programme will invest more than £100 billion in infrastructure over five years. In this guest comment, BPMA Technical Officer Gary Wilde argues that success will depend on more than capital alone — whole-life procurement, resilient supply chains and investment in skills and technology.

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