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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

Smith & Loveless Highlights the DURO-LAST SST Baseplate Conversion

20.10.2025 -

Smith & Loveless Inc. highlights the DURO-LAST SST Baseplate Conversion, a durable and cost-effective upgrade solution that extends the life of pump stations while delivering unmatched reliability. Featuring an exclusive 25-year warranty on its 316/LDX stainless steel baseplate, the DURO-LAST Conversion offers one of the longest equipment life cycles in the industry, ensuring operators can depend on their systems for decades to come.

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preeflow Introduces Microcontroller Plug’n’Dose 2.0

17.10.2025 -

With the plug’n’dose 2.0, preeflow introduces an advanced miniature dispensing controller that impresses with its reduced size and optimized features. The microcontroller is specifically designed for applications with limited installation space and is 80% smaller than the previous model. At a weight of just 110 g, it is also significantly lighter.

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AchemAsia 2025 Opens in Shanghai

15.10.2025 -

With 267 exhibitors from 14 countries and regions, the 12th AchemAsia opened its doors in Shanghai, China. With a focus on sustainable chemical production, plant and equipment manufacturers, suppliers to the process industry and service providers will be showcasing the latest solutions for the chemical and pharmaceutical industries until Thursday.

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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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