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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 - Components

Steelpaint’s Combination 500 Passes FRP Coatings Trial

24.06.2025 -

Steelpaint GmbH has confirmed the successful application and long-term performance of its one-component coating system, Stelpant PU Combination 500, on fibre-reinforced plastic (FRP) and glass flake structures. The trial marks the coating’s first larger-scale industrial application to this class of composite substrate; a material used frequently across most industrial sectors.

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Robust Motor for High-Efficiency Industrial Motion Control in Oil and Gas Facilities

20.06.2025 -

Wolong Electric America is proud to highlight the EMR-Bulldozer Series, a ferrite-assisted synchronous reluctance integrated drive motor engineered for ultra-high efficiency, robust performance, and long-term reliability in harsh oil and gas facility conditions. With efficiency equivalent to IE5, the highest currently recognized international standard, the EMR-Bulldozer motors deliver outstanding power density and energy savings, making them ideal for demanding pump, fan, compressor, and conveyor applications in oil and gas facilities.

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Densyl Tape: The Ultimate Solution for Long-Term Corrosion Protection

22.05.2025 -

Denso, Inc. is proud to highlight its Densyl Tape, a high-performance, multi-purpose petrolatum tape designed to provide unparalleled corrosion protection for steel pipes, flanges, valves, fittings, and other surfaces. Engineered to excel in extreme environments ranging from cold to tropical heat, Densyl Tape is the go-to solution for industries requiring durable and reliable surface protection.

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NORD Presents New Industrial Gear Units for Reliable Agitating and Mixing under Difficult Conditions

07.04.2025 -

Although relatively new, the MAXXDRIVE industrial gear units from NORD DRIVESYSTEMS are among the established drive solutions for heavy-duty applications. Apart from conveying, lifting and driving, mixing and agitating are among the most important application areas. For the agitators in a non-standard biogas plant in the Netherlands, the powerful industrial gear units significantly contribute to the implementation of gas production.

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