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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 - Valves + Fittings

Parker’s Axial Valve Design Combines Actuation and Control in One Solution

30.04.2025 -

The Low Pressure Connectors Europe Division of Parker Hannifin, the global leader in motion and control technologies, announces the launch of its new Parker Legris axial valve that uniquely combines both valve and actuation functions. Designed with pneumatic or electro-pneumatic control, this innovative valve addresses many limitations associated with traditional actuators, setting a new standard in the industry.

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GEMÜ Presents New Product Generation for the Process Industry

18.12.2024 -

With its innovative product generation, the valve specialist GEMÜ is launching significant new features on the market that are geared towards the requirements of modern process automation. Under the name LEAP – Lean. Effective. Agile. Platformized. – GEMÜ is presenting a series of advanced products that impress with their modular design and flexibility and are based on modern manufacturing methods.

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Chlorine Gas Systems: New Electric Safety Valve Makes the System Safer

13.12.2024 -

Chlorine gas plays a key role in the disinfection of drinking and industrial water. However, handling the chemical can pose considerable health risks – from irritation of the eyes to fatal pulmonary oedema. To further improve occupational safety during use, Lutz-Jesco has developed the VakuStop – a vacuum regulator for dosing systems that is equipped with an emergency stop function to prevent uncontrolled chlorine gas leaks directly at the chlorine gas tank in the event of an emergency.

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