IDEX India

Diaphragm Pumps Explained: How They Work and Why They Matter in 2026 Industrial fluid handling has seen steady innovation, but some technologies remain essential due to their reliability and versatility. One such solution is the diaphragm pump. In 2026, as industries focus more on safety, efficiency, and cost-effective operations, diaphragm pumps continue to be a preferred choice across sectors. Supported by global engineering leaders like IDEX India , these pumps are widely trusted for their ability to handle demanding applications with consistency and control. What Is a Diaphragm Pump? A Diaphragm Pump is a positive displacement pump that uses a flexible diaphragm to move fluids in and out of a chamber. Instead of rotating components, it relies on reciprocating motion, which reduces wear and eliminates leakage risks. Many modern systems use an air operated double diaphragm pump , also referred to as an AODD Pump . These pumps are powered by compressed air, making them ideal ...

  Air Operated Double Diaphragm Pumps: Efficient, Reliable, and Cost-Effective Solutions A type of positive displacement pump, the Air-Operated Double-Diaphragm (AODD) pump , has two chambers that are filled and discharged via diaphragms.  AODD pumps, thanks to their versatility, are a popular choice among industries such as pharmaceuticals, chemicals, food and beverage, mining, and wastewater treatment. They are capable of handling different kinds of fluids, from aggressive chemicals to purest liquids and really viscous slurries. AODD pumps are air-operated, which means they use compressed air as their source of power. So, in an AODD pump, there are two diaphragms connected by a shaft, which move back and forth within a chamber. It all starts when compressed air enters and moves the diaphragm inside the pump chamber. When one diaphragm is pushed outward, a vacuum is created in the chamber, which pulls the liquid via the inlet. While all this happens, the other diaphragm is ...

  What Is a Diaphragm Pump? Benefits, Uses, and Maintenance Tips Diaphragm pumps are known for their versatility and reliability. They use a flexible diaphragm to move fluid. This diaphragm is typically made of materials like: ·        Rubber ·        Elastomer ·        Teflon These pumps are driven by different means such as: ·        Mechanical ·        Hydraulic ·        Pneumatic The back and forth movement of diaphragm creates a vacuum. This vaccum draws fluid into the pump chamber. On the reverse movement, the diaphragm compresses the fluid. The compression forces the fluid out through an outlet valve. Check valves ensure one-way fluid flow. Diaphragm pumps come in various types, such as: ·        Air-operated double diaphragm (AODD) pumps ·  ...

  The Future of Air Operated Double Diaphragm Pumps Air-operated double Diaphragm (AODD) have been in demand across a range of industries such as pharmaceutical, food & beverage, oil & gas and wastewater management. These pumps are known for their simple design, ease of use, superb performance and cost-effectiveness. But what's the future like for AODD pumps? As per the latest reports, the global market size for AODD pumps will grow to USD 1200.67 million by 2028. Here are a few reasons why the global demand for AODD pumps continues to grow: Truly Versatile AODD Pumps AODD pumps are known to handle various kinds of fluids, including corrosive chemicals, viscous liquids, slurries, and fluids containing solids. This versatility makes AODD pumps a favourite among industries that demand safe displacement of fluids.   AODD Pumps Come with the Promise of Sustainability Across the globe, industries are changing their strategies to adapt to the tightened environment...

The Ultimate Guide to Blagdon AODD Pumps: Features and Benefits Air-operated double diaphragm (AODD) pumps have been popular in various industries for managing challenging liquids at low pressures and flow rates. And Blagdon AODD pumps are one of the most well-known AODD pumps in the market today. Blagdon AODD pumps are available in various sizes and materials, making them perfect for pumping fluids of several kinds, from highly corrosive acids to thick paints and adhesives, as well as food and beverage products. Blagdon Air-Operated Double Diaphragm Pump are designed to perform in extreme conditions, including high temperature and high-pressure environments, above and underground. When the going gets tough, the Blagdon AODD pumps get going.  Blagdon AODD Pumps are designed while incorporating the latest technology to enhance efficiency and productivity by effectively lowering energy consumption and maintenance needs. Recognised by industries for years at a stretch, Blagdon is a...

AODD Pump Operation: A Comprehensive Guide An Air-Operated Double-Diaphragm (AODD) pump is a type of positive displacement pump driven by compressed air. Working Principle of AODD Pump AODD pumps work by using two opposing diaphragms connected to a rod. Compressed air moves the diaphragms, which creates suction and discharge cycles. Check valves control the flow of liquid into and out of the chambers. Advantages of AODD Pump AODD pumps can handle solids without clogging and are self-priming, making them suitable for lifting fluids from a lower level. They are gentle on sensitive fluids and can handle a wide range of viscosities. AODD pumps have no mechanical seal, which eliminates the risk of leakage. The flow and pressure can be easily adjusted using air pressure. AODD pumps do not require an electric motor, making them suitable for hazardous environments. Limitations of AODD Pumps AODD pumps are limited by the available air pressure. They also have pressure pulsation due ...

6 Benefits of Using an Air Operated Double Diaphragm Pump Transferring fluids in different industrial settings come with challenges that affect process effectiveness, safety, and overall productivity. Some of these obstacles are: ·        Transitioning Between Phases : The shift from vapour to liquid phases presents an obstacle in fluid transfer procedures within industrial settings. Having a grasp of these transition dynamics is crucial for enhancing efficiency and ensuring streamlined operations. ·        Heat Exchangers and Fouling : Industrial heat exchangers encounter challenges due to fouling issues. Deposits on heat exchange surfaces disrupt flow, diminish heat transfer efficiency, increase energy consumption, and necessitate frequent cleaning downtime. ·        Complex Fluid Dynamics : Subjects like multiphase flows and non-Newtonian fluids introduce unique fluid dynamics challenges. ...