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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

Non-Compliant Pumps: A False Economy the UK Can No Longer Afford

14.10.2025 -

Circulation pumps may not grab headlines, but they are the beating heart of heating and hot water systems across the UK. In both homes and commercial buildings, their performance directly affects energy consumption, running costs, and long-term reliability. Yet our market is increasingly threatened by a flood of cheap, non-compliant imports from the Far East—products that fail to meet the safety and efficiency standards required by UK law. This is not just a technical problem. It is a consumer issue, a business issue, and an environmental issue that undermines the UK’s drive toward net zero.

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