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.
Wilo has had a successful financial year in 2025. With a currency-adjusted sales increase of 4.5%, the water technology group has continued its profitable growth trajectory. Total net sales rose to €1,918.7 million. Earnings before interest, taxes, depreciation and amortisation (EBITDA) rose as planned by 39% to €212 million.
The manufacturing economy has faced a series of challenges over the past three years, constricting growth of the precision gearbox market. However, to generate additional revenue streams, precision gearbox manufacturers have been taking proactive measures.
The Hydraulic Institute (HI) announced the launch of Pump System Certification Level 2 (PSC 2), completing HI’s standardized learning path designed to advance pump system competency across the industry.
SMC has officially begun operations at its new Japan Technical Center (JTC), located in the Kashiwa City of Tokyo’s metropolitan region. The centre becomes SMC’s main global hub for research and development, designed to accelerate innovation and reinforce the company’s technological leadership worldwide.
The Wilo Group has opened the new Health Cube at its headquarters, Wilopark in Dortmund. At around 5,500 square metres, the health centre offers space for Wilo’s Global Health Management, including occupational health and psychotherapeutic services, social and life counselling, the Health Club with sports diagnostics and outdoor sports facilities, a “quiet room”, hydro massage beds, a lounge with an open, experiential kitchen, and holiday care for children.
Armstrong Fluid Technology announced the appointment of Danilo Elez as Chief Executive Officer. In this role, Elez will lead the company’s next phase of growth and innovation.
The TDF Group concluded the 2025 financial year with a turnover of around 73 million euros, thus consolidating its sustainable growth in a very special year: the company’s 50th anniversary.
The biennial trade fair for HVAC+R, energy efficiency, renewable energy, and water systems closed its doors in Milan, drawing over 120,000 visitors from 123 countries and reaffirming its position as a leading global platform for the sector.
Pump and valve manufacturer KSB continues its path of growth: In the 2025 financial year, the company passed the € 3 billion mark in both order intake and, for the first time, sales revenue. The SDAX-listed Group also increased its EBIT (earnings before finance income / expense and income tax).
By signing a partnership agreement, water technology group Wilo and AI technology company InstaDeep have sealed the deal to kick off a long-term cooperation. The two pioneering companies are now working on systematically integrating water technology and AI across several defined applications.
