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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 - Valves + Fittings

BuTech Underscores Valve Technology’s Role in Reliable Subsea Operations

21.08.2026 -

As offshore oil and gas developments expand into deeper waters and more technically challenging environments, the industry continues to prioritize equipment reliability, pressure integrity, and lifecycle performance. In deepwater operations, where maintenance interventions are costly and production downtime can have significant financial and environmental implications, the performance of critical flow-control components has never been more important.

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