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Characteristics and Advantages of an AODD Pump


An Air-Operated Double-Diaphragm pump (AODD) Is a Sort of Positive displacement (PD) pump. ) It is made of just two pumping chambers which are alternately filled and discharged from the motion of flexible diaphragms. Compressed air is fed to and vented out of, air chambers on the other faces of the diaphragms to make the pumping activity.

AODD pumps Are Usually used for transport applications and can handle a large array of feeds such as sludges, slurries, abrasive and shear sensitive fluids. Though they are strong, dependable and simple to keep them may be noisy, susceptible to icing, and therefore are confined to non-pressure applications.


AODD pumps are basically leak-free. There are just static seals between the wetted components and the exterior environment so leakage may only happen if both diaphragms neglect. As part of an overall care program, diaphragms must be replaced frequently, according to the Aodd pump Manufacturers  guidelines. Diaphragms have less use in an AODD pump compared to people in a mechanically driven diaphragm pump due to the advantage of pressure balancing from the compressed air distribution.

AODD pumps are effective at Repairing abrasive, highly viscous fluids, sludge’s or slurries. Additionally, the gentle pumping action makes them perfect for shear-sensitive fluids. The four inner check valves generally utilize either a chunk (or even cone)/bench or flap layout. Ball valves offer a much better seal and therefore are less likely to wear compared to flap layouts. Because flap-type valves are hinged, long-term usage eventually causes fatigue in the bending stage. Ball valves use more evenly, because the chunk is free to rotate throughout surgery and settle in another position on the chair. Flap-type check valves have the advantage that they could more easily pass large solids entrained inside the pumped fluid.

Without inner seals or Moving parts requiring cooling and lubrication system, an AODD pump may be run dry indefinitely without harm. AODD pumps are self-priming and a few are effective at a suction lift up to 8m.

AODD pumps are Acceptable for Use in hazardous areas due to the usage of compressed air as the energy source instead of electricity. For the identical reason, an AODD pump maybe completely submerged - provided that the air compressor is above the liquid level.

How can an AODD pump function?


1. The Compressed air control system sends air to atmosphere room.

2. The Rotating moves into the left, along with the motion of this diaphragms increases the quantity of pumping room and, at precisely the exact same time, lowers the quantity of burning chamber. 

3. As the rotating shaft completes the stroke, the air supply system vents air room and sends the compressed air to the atmosphere chamber.

4. The Shaft now goes to the right, reducing the quantity of pumping room and, in precisely the exact same time, increasing the quantity of pumping first room. The fluid is currently discharged from the chamber, also attracted to the first chamber. Click here to find out more about diaphragm pump.

5. As the shaft finishes the stroke, the air supply system vents air room and the cycle repeats when compressed air is led to the first air room again.


Summary
A positive displacement pump moves fluid by enclosing a predetermined quantity, with the assistance of valves or seals, & transferring it automatically through the computer system. The pumping activity is cyclic & may be pushed by pistons, gears, screws, lobes, diaphragms or vanes. There are two Chief kinds: reciprocating & rotary. To Learn More about double diaphragm pump touch Antlia Engineering Works is one of the most important manufactures peristaltic pump and AODD pumps in Australia, the Middle East, and Africa & all over India. One can choose pumps that top-grade suits their needs.

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