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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.

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LATEST NEWS

Motion Controls Market to Grow by 3.9% in 2026

18.03.2026 -

The motion controls market had a difficult year in 2025. Interact Analysis experts report that the market contracted by -2.0%, although this is an improvement from the -6.5% contraction seen in 2024. The further fallout from supply chain issues post COVID-19, as well as multiple elections and policy shifts, contributed to economic uncertainty that bled through from 2024 to 2025.

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MAN Reduces CO2 Emissions Through District Heating Using Schubert & Salzer Valves

18.03.2026 -

Decarbonisation is one of the particularly relevant focus areas in MAN Truck & Bus’s sustainability strategy. This is why district heating is integrated into the Nuremberg plant’s heat supply in cooperation with the energy supplier N-ERGIE. The challenges of large fluctuations in the delivery quantities and the issue of noise reduction were successfully mastered with the help of Schubert & Salzer control valves.

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EKKI Group Expands Manufacturing Facility in India

16.03.2026 -

EKKI Group, together with Germany-based HOMA Pumpenfabrik, has expanded their joint-venture manufacturing facility EKKI HOMA, strengthening the production of advanced sewage pumping solutions in Coimbatore, India. The expansion was recently inaugurated by N. K. Ranganath, Chief Advisor of EKKI HOMA, along with Hans Hoffmann, Marcel Hoffmann, Arumugam P, and Kanishka Arumugam, Directors of EKKI HOMA.

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UK Maps Route to Reducing Chemicals in the Environment

16.03.2026 -

The latest data from the UK water industry’s most ambitious chemical monitoring programme suggests targeted policy, collaborative science, and source control can successfully tackle forever chemicals. UK Water Industry Research (UKWIR)’s Chemical Investigations Programme (CIP) represents the UK water industry’s most comprehensive scientific response to tackling chemical substances in the water environment.

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Southern Water Purchases Phosphorus Filtration Technology

13.03.2026 -

Trial of an innovative phosphorus removal technology at a Sussex wastewater treatment plant (WwTP) has led to the purchase of two Flocell XFM20 filtration units by UK utility Southern Water. Wastewater treatment specialist WCS Environmental Engineering (WCSEE), now Marlowe Environmental Services (MES), initially hired out the equipment for use at Storrington WwTP in June 2025. Following a successful trial period, Southern Water took the decision to approve the units for permanent ongoing use.

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