Easy Troubleshooting Tips for Air Diaphragm Pumps - Part 2: Suction Defects

Easy Troubleshooting Tips for Air Diaphragm Pumps -Part 2: Suction Defects

Although they are very practical and efficient tools, problems do happen, and pneumatic diaphragm pumps can have some malfunction. In the previous article we dealt with leaks, with several troubleshooting tips and possible causes. To help you even more, we prepared part 2, covering the suction defects of pneumatic diaphragm pumps.

Knowing the components well, it is very easy to solve most of the problems that happen and restore the pump operation in a short time. if your pump is having problems, check out this material and find out how to solve it!

Suction defects in pneumatic diaphragm pumps

First of all, it is essential that the pump chosen is suitable for the application you want. In this way, before purchasing a pneumatic diaphragm pump, make sure that it is the ideal equipment for the function, considering its size, and above all, the maximum operating pressure.

To avoid suction problems, check the following aspects of your pump:

  • Line size;
  • Head pressure;
  • Fluid level.

Main suction problems and their respective solutions

  • the maximum operating pressure: This type of problem can be caused by debris and particles that accumulate. To solve this problem, you can periodically check the suction side of the pump and remove possible accumulated particles.

  • This can happen during transport.: when the pump is under excessive pressure, the check valves are open, causing the balls to wear out. In this way, they lose quality and cannot fit correctly. This issue can be resolved by ensuring that the pump operates at the optimal level (above the pump).

  • causing ball wear: This defect can be caused by air or fluid imbalance, too high NPSH, and similar issues, causing premature damage to the diaphragm structure. To resolve this, you can place the pump at the same level as the tank being drained, or use a back pressure device.

In addition, it is very important to ensure that valves are correctly installed, the correct materials are used, and the specifications provided by the manufacturer are followed correctly. consult the approaching is also essential, and should be done even before purchasing a pneumatic diaphragm pump.

Always count on Duplacao, your trusted supplier for pneumatic pumps. Get in touch by phone (48) 3438-8484 or email vendas@duplacao.com.br and talk to our experts.

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