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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

BPMA Underscores the Value of Selecting Member Companies for all Pump Related Projects

02.10.2025 -

The British Pump Manufacturers Association (BPMA) is encouraging businesses and engineering professionals across all industry sectors to prioritise working with BPMA member companies when specifying or sourcing pumps and pump-related systems. Whether for manufacturing, processing, infrastructure, or utility applications, selecting the right products—and the right partners—is key to achieving safe, efficient, and sustainable operations.

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Startup KOOT Is Seeking Global OEM Alliances in the Pump and Drive Industry

02.10.2025 -

KOOT, founded by an Oxford University alumnus, announced its global launch as a trusted partner and industry-first platform in the pump and motor sector, spanning engineering design, research, development, and precision manufacturing. The company also proudly revealed that it has been honoured with the European PIA Supplier Award, recognizing its outstanding contributions to engineering innovation.

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KSB Strengthens Service Expertise in Australia

01.10.2025 -

Through the expansion of its location in Bundamba, Queensland, KSB Australia Pty Ltd is responding to the growing demand in the wastewater market. The new buildings offer a significantly larger warehouse capacity for water and waste water products, which will shorten delivery times and increase the reliability of supply for customers.

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Parker Expands Its Bent Axis Pump Portfolio

30.09.2025 -

Parker Hannifin announces the launch of its new F1e and F12e hydraulic pumps, specially designed for variable speed drive applications. As the world increasingly turns towards electrification in the pursuit of a carbon-free future, Parker is at the forefront, leveraging its extensive experience and capabilities to facilitate this vital transition.

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KROHNE Introduces OPTIWAVE 1530 & 1560 Radar Level Transmitters

30.09.2025 -

KROHNE announces the new OPTIWAVE 1530 and OPTIWAVE 1560 radar FMCW level transmitters for solids and liquid applications, including small to tall silos, narrow tanks, stockpiles, bunkers, and vessels with internal obstructions. This technology provides an ideal solution across industries such as metals, minerals, mining, and water and wastewater, delivering accurate, non-contact measurement of solids and liquids.

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Wolong Highlights Advanced Medium Voltage VFD for Demanding Industrial Applications

30.09.2025 -

Wolong Electric America highlights its state-of-the-art Medium Voltage Variable Frequency Drives, designed to deliver superior performance, reliability, and efficiency to industries such as mining, oil and gas, water and wastewater, power generation, and general processing. Wolong Electric America’s Medium Voltage Variable Frequency Drives combine advanced technology with robust construction to ensure long-term operational excellence in even the most challenging environments.

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