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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

Seamlessly Retrofit Marine Pumps for Biofuel Compliance and Carbon Reduction

11.05.2026 -

CIRCOR International unveils its new Biofuel Upgrade Kits for IMO Marine Pumps, a strategic advancement that enables commercial marine operators to efficiently and confidently prepare their existing pump systems for biofuel adoption. In response to mounting regulatory pressures and the global drive for emissions reduction, these kits deliver a straightforward, secure, and sustainable retrofit solution specifically engineered to support fuels such as FAME (Fatty Acid Methyl Esters) and HVO (Hydrotreated Vegetable Oil) in line with ISO 8217:2024 requirements.

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Denso Introduces Comprehensive Viscotaq Tank Base Corrosion Protection System

07.05.2026 -

Tank base corrosion presents a significant challenge for above-ground storage tanks, threatening structural integrity, risking environmental contamination, and incurring costly repairs or replacements. Recognizing the critical need for robust protection, Denso, offers the Viscotaq Tank Base Corrosion Protection System—a cutting-edge solution designed to mitigate these risks effectively.

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Siemens Expands its Digital Portfolio for Water, Wastewater and Waste Management

06.05.2026 -

Rising environmental standards, growing cost pressures, and a shortage of skilled workers: the demands on operators of municipal and industrial infrastructure continue to increase, making data-driven operations more critical than ever. At IFAT 2026, the leading trade fair for environmental technologies, Siemens will showcase how digital solutions help manage water quality, wastewater treatment and material flows in waste management more efficiently.

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ALLWEILER Introduces New Pump Solutions

05.05.2026 -

ALLWEILER showcased a portfolio of pump solutions for demanding wastewater and industrial applications, including the launch of its new AE RD/RE Hopper Pump, as well as the RG Hopper Pump ZD, ALLDUR stators, ALLPRO propeller pumps, and AEB DE dosing pumps at IFAT 2026.

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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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