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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.

LATEST NEWS

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.

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.

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.

ACHEMA Middle East 2026: New Flagship Event for the Process Industry Launched in Riyadh

29.09.2025 -

ACHEMA Middle East was officially launched at an executive-level ceremony in Riyadh, Saudia-Arabia, on 18 September 2025, marking the beginning of a new era for the region’s process industries. Organised by DECHEMA in strategic partnership with Messe Frankfurt and supported by the Saudi Ministry of Industry and Mineral Resources, the launch event brought together senior figures from government, business, and the global scientific community.

NETZSCH Supports Integrative Football Camp in Waldkraiburg

29.09.2025 -

Football not only inspires millions of people worldwide, but also has a unique social power: It connects people, fosters community, and transcends boundaries. The Kick & Fun initiative utilises precisely this strength of sport and has been organising inclusive football camps for children and young people for several years. NETZSCH Pumps & Systems is sponsoring the camp in Waldkraiburg for the third time and will cover the participation fees for ten children from low-income families this year.

A Smart, Speed-Controlled Pumping Solution is Boosting the Brewery’s Efficiency, and Sustainability

23.09.2025 -

To meet growing demand while maintaining its commitment to sustainability, a craft brewery faced significant challenges with its aging infrastructure. They sought advice on upgrading their cooling system to increase efficiency and reliability, and Grundfos was chosen for its integrated Variable Frequency Drive (VFD) and industry-leading energy efficiency. This brewery is highly committed to sustainability, upholding strong environmental and social standards by minimising waste, conserving water, and reducing greenhouse gas emissions.