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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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The ultra-low voltage (ULV) motor and drive market is undergoing rapid transformation, with major players making bold moves to secure their foothold in this high-growth market. Recent announcements from Siemens, Bosch Rexroth, and Lenze highlight the three biggest trends shaping the industry today: legacy motion control suppliers entering the market, the rise of modular solutions, and intensified competition driving innovation. These developments underscore the growing importance of ULV technologies in sectors such as mobile robotics, packaging, and intralogistics.

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DAB Pumps has redefined circulator performance with its redesigned Evoplus electronic wet rotor range, engineered to meet the diverse demands of heating, hot water and air conditioning systems in both residential and commercial properties. More than 800,000 Evoplus units have been installed since 2013 across 82 different countries, with its level of reliability earning it a place among the most dependable products in the market. This success has driven DAB to improve the range even further, optimising the product’s looks, usability and ruggedness.

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