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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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Hoyer and VMS Group Create a Global One-Stop Partner for Power and Motion Solutions

25.11.2025 -

Hoyer, a global supplier of electric motors and automation solutions, and VMS Group, a leading marine service provider, announced the creation of Hoyer VMS Group. The new company combines complementary strengths to deliver a unique global offering for power and motion solutions across marine and industrial markets – one partner that can supply, service, repair, and optimise critical systems throughout their lifetime.

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