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.
Read moreIn a contributed article, Adrian van Wyk, Managing Director of Referro Systems, explains why purchase price, motor power and flow curves are losing weight in pump selection. He points to lifecycle cost, efficiency across the actual operating range and the limits of predictive maintenance without matching maintenance processes.
Read moreSIMFLO has appointed two Directors of Sales and four Regional Sales Managers. Greg Hebert and Andrew Grubbs now lead sales for the Engineered Products Group and the Standard Products Group, while Rodney Ball, Kelly Cowden, Billy Johnson and Kevin Schaal join the regional sales team.
Read moreISH will take place in Frankfurt am Main from 15 to 19 March 2027. The organiser expects more than 2,000 exhibitors. The range is structured into nine solution fields, including “Water-bearing Systems”, “Heat Generation” and “Sanitary & HVAC Production”. New features include the “Drinking Water Compliance Forum” in Hall 4.1.
Read moreAccording to its first Sustainability Report, around 99% of DAB Group’s carbon footprint is associated with the use of its pumps after they have been sold. The report also shows that the manufacturer has reduced its Scope 1 and 2 emissions by 62% compared with 2020, exceeding its own 2030 target of 50% five years ahead of schedule.
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