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.
Voith is modernizing two additional pump-turbines at the Torrejón hydroelectric power plant in Spain. The contract from Iberdrola Generación S.A. builds on an ongoing modernization project and continues the collaboration on the phased modernization of the plant.
In the first months of 2026, the Australian, internationally active water and wastewater treatment company De.mem was able to position itself well in the market. This was due in part to the strong performance of Core Chemicals, a new subsidiary of De.mem, which the company acquired last autumn.
Siemens has appointed Markus Grabmeier as the new Chief Executive Officer (CEO) of its Electrical Products (EP) Business Unit at Smart Infrastructure, effective June 1, 2026. He succeeds Andreas Matthé, who will remain available in an advisory capacity until his transition into retirement at the end of September 2026.
Technology company Ovarro is expanding its global channel partner network as utilities worldwide galvanise their efforts to tackle water loss and strengthen digital capability. The company is actively seeking new channel partners specialising in leakage detection and process control.
Mitsubishi Electric Automation announced that its FR-D800 Variable Frequency Drive (VFD) has been named the Gold winner in the Drives, Motion & Motor Control category in Control Engineering’s 2026 Product of the Year awards program.
NORD DRIVESYSTEMS provides scalable drive solutions for all steps of the Wastewater Treatment Industry, offering systems focused on reliability, performance, and high configurability to meet precise application needs. With years of experience in the industry, NORD creates modular solutions that reduce downtimes to keep systems up and running smoothly.
Walk into the plumbing workshops at South Devon College and you will find something that sets this department apart: students getting hands-on with the same equipment they are likely to see on their very first day in the job.
Amarinth is developing four bespoke drain disposal pumps for the NLNG crude delivery pipeline at the Gbetiokun Field, further expanding its footprint in the African energy sector.
Xylem announced a landmark agreement with Dow to design, build and operate advanced water systems at its large-scale industrial complex in Fort Saskatchewan, Alberta, Canada. The agreement expands Xylem’s long-standing collaboration with Dow, supporting the increased operations tied to Dow’s Path2Zero project.
For the second consecutive year, EBARA has received the highest “A” rating in the Supplier Engagement Assessment (SEA) conducted by CDP*, the international environmental nonprofit. The 2025 recognition follows the company’s first “A” rating in 2024.
