IN FOCUS

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

Adapting to Change: The Key Trends Defining the UK Pump Industry

12.01.2026 -

The UK pump industry is operating at a pivotal moment. Long recognised as a critical enabler of sectors ranging from water and energy to manufacturing and building services, the industry is now being reshaped by powerful forces including sustainability, regulation, skills shortages, and digital transformation. While these trends present challenges, they also create opportunities for innovation and growth.

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Valmet to Acquire Severn Group to Strengthen Process Performance Solutions Segment

12.01.2026 -

Valmet has entered into an agreement to acquire Severn Group, a well-established industrial valve company, from Bluewater, a UK-based private equity firm. The acquisition covers all three Severn divisions: Severn Glocon, ValvTechnologies, and LB Bentley. Severn serves process industries globally and has over a 60-year track record of delivering specialized flow control solutions across the most demanding applications.

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New Pump Series Delivers Reliable Performance for Challenging Solids and Dry Sludge Handling

09.01.2026 -

CIRCOR International, Inc. highlights its ALLWEILER AE-RG Hopper Pump Series, engineered for advanced performance in demanding environments. This Hopper Pump Series is engineered for efficient and reliable transfer of highly viscous, abrasive, or solids-laden materials, making it ideal for demanding environments such as wastewater treatment, especially dry sludge handling, biogas and various other processing applications.

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New Air-Cooled 2-Stage Rotary Vane Pump from Leybold

09.01.2026 -

For around 90 years, vacuum manufacturer Leybold has been offering the TRIVAC, a universally applicable rotary vane pump. The robust, oil-sealed vacuum pump combines many advantages and is used in industrial and research applications – for generating pressures in the rough and fine vacuum range and as a backing pump that can be combined with Roots, diffusion, turbomolecular, and cryogenic pumps. Leybold has now developed the TRIVAC L, a new model of the proven two-stage rotary vane vacuum pump with optimized air cooling.

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