Central Vacuum System Design
Introduction
Selecting the Right Exhauster
Selecting the Right Filter
Tubing Design
FAQ
For central vacuum cleaning, you need to understand that the filter receiver is going to be exposed to about everything in your facility including dust, debris, bolts, nuts, and anything that might fall on the floor.
There are lot of possible configurations and options. A round filter is required because of the high vacuum levels. You can see a full overview of our filter offerings on our environmental page.
Typically top bag or side bag removal is preferred to eliminate any confined space entry required for bag changes. All the work on bag changes is from the top and is a faster and cleaner process to change filters.

Bottom bag removal is common because it is typically a lower cost solution. Bottom or Top removal of filters has no impact on how the systems perform.

Either top or bottom removal dust collector uses a Polyester Felt filter bag as standard. Options coated filters or pleated filter cartridges. The selection of filter media will be dictated by dust being collected. A full lab test can be conducted at MAC Equipment on your dust to determine the proper filter media and key design factors.
Dust is typically accumulated in a 55-gallon drum below the filter. Other options such as slide gates into a bulk bags or rotary airlock can be provided. A rotary airlock is often not desired because the debris collected by a central vacuum system can jam a rotary airlock. Bolts, rags, nails, wood or other materials can be collected but will quickly jam a rotary airlock.
