Business Innovation 2005

7 Features of Pneumatic Conveying Systems

Pneumatic conveying systems are often used in industries that require handling large amounts of material, such as food processing or chemical plants. Pneumatic conveyors are designed to move materials through a system by creating an airflow that moves products from one point to another. They can be inexpensive and straightforward or complex systems with many features. Let’s take a look at few different features you might find on pneumatically-driven conveying systems:

  1. Volumetric flow controller

This device ensures that a consistent volume of material is conveyed through the system. In addition, it helps maintain the airflow pressure and speed, which keeps the products moving smoothly. The conveying system needs to have a volumetric flow controller installed to be legal.

  1. Pressure regulator

This device helps to maintain the air pressure in the system. However, the speed and efficiency of a pneumatic conveying system can be affected by changing pressure levels, so this valve must maintain a constant level throughout its operation.

  1. Flowmeter

The flow meter is one of the essential parts of a pneumatic conveying system. It measures how much material has passed through, and it can also help determine if there are any obstructions in the line. If an obstruction occurs, this device will alert workers that something needs to be taken care of.

  1. Air filter

The air filter helps to clean the air that is being used to convey the material. This keeps the products moving through the system without any contamination.

  1. Relief valve

This safety device is designed to prevent the air pressure from rising too high in a pneumatic conveying system. If it senses an issue with the relief valve, this part will immediately let off some of the excess pressurized air and alert workers to take care of any problems that arise.

  1. Air regulator

This device ensures that the air pressure is consistent throughout the whole system, and it can also help maintain a constant flow of materials.

  1. Separator

The separator is used to help keep the material moving through the system. It can help remove any large clumps or obstructions that might slow down the conveyor.

In some cases, a pneumatic conveying system will also include an:

  • Auger – This helps move the material through the system and ensures that it is properly distributed.
  • vibrating screen – This can separate materials of different sizes and densities.
  • Dust collector – This device helps collect any dust or debris created during the conveying process.


By understanding these features, you can better troubleshoot problems with your pneumatic conveying system and ensure that it runs smoothly. If you have any issues with your design, consult the manufacturer’s manual for more information.

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