Technical Center

How to Measure Your Baghouse Filters & Cages 02

8. Determine the top construction of the cage:

If the top has a venturi, measure the length of the venturi.

Filter cage venturi measuring — Venturi come in two styles: A separate drop in piece (shown here) or as integral versions that are welded into top of the cage (see photo below)

The Most Common Dust Collector Cage Styles — Venturi welded into top of the cage

If the top has a split top, measure the space between the groove in the split top and the end of the top

If the top has a split top, measure the space between the groove in the split top and the end of the top — On split top cages, measure the space between the groove in the split top and the end of the top

Another important measurement to have in mind when ordering filters or cages, is the size of the tube sheet hole where our filters will be placed. This will ensure there is a perfect seal, extending the life of the filters and not allowing dust to go through.

Tubesheet hole size measuring

With a wide range of sizes and types available, it’s essential to select the right filter bags and cages to suit your specific dust collector model. Following these basic steps will help you make informed decisions when ordering replacements, ensuring smooth operation and extended filter bag life for your dust collection system.

Another option to find out the right size of your filters and cages is to send us a used filter or cage so we can measure it for you. Feel free to get in contact with us if you prefer this option and we will be happy to assist you.

If you need assistance with measuring filters or cages, please reach out to Zhongcheng Lijing for more details

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