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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 - Corporate News

Annual General Meeting: Record Year for KSB – Subdued Start to 2026

12.05.2026 -

At its Annual General Meeting for the 2025 financial year, pump and valve manufacturer KSB presented results that once again surpassed those of the previous year. In 2025, the SDAX-listed Group passed the € 3 billion mark in both order intake and, for the first time, sales revenue. The company also increased its EBIT (earnings before finance income / expense and income tax).

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Flender Has Officially Started Operating Its New Location in Brazil

11.05.2026 -

Flender has officially started operating its new location in Brazil, strengthening its presence and service offerings in South America, especially in the wind energy sector, but also in the broadly diversified industrial business. This move follows the successful acquisition of the service business for wind turbine and assimilated industrial gear units from Wärtsilä Brasil Ltda., which started as a partnership in 2018 and represents the natural progression of this collaboration.

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CIRCOR Announces Mike Daricilar as Vice President of Operations for its Massachusetts Facility

05.05.2026 -

CIRCOR International announces the appointment of Mike Daricilar as Vice President of Operations for its Warren, Massachusetts facility. In this role, Daricilar will lead operations strategy and execution, with a focus on strengthening delivery performance, instilling disciplined operating fundamentals, and reinforcing engagement and communication across the site to drive sustained operational performance.

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Edwards Celebrates Its 500,000th Rotary Vane Pump – A Milestone in Rotary Vane Technology

05.05.2026 -

In 2025, the 500,000th rotary vane (RV) pump have rolled off the production line in Lutín, Czechia. A remarkable milestone for a pump that has redefined rotary vane (RV) vacuum technology. Trusted across a wide range of applications—from laboratory research and analytical chemistry to pharmaceutical processes, light industrial environments, such as coating, freeze drying or degassing, and OEM systems—the RV pump combines precision engineering with proven reliability to deliver performance customers can count on.

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