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How much CFM do I need for dust collection?

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How much CFM do I need for dust collection

If you are familiar with using air-tools for small shop dust collection, then you must have heard of the metric called CFM which stands for cubic feet per minute. It measures the flow rate of the air and determines how powerfully it will perform in any given situation.

When it comes to dust collection, you have to rely on a system that provides you with high-volume but low-pressure air. The design should be such that the dust collection works slowly but manages to capture all the particulates.

Types of dust collection

While dust collection automatically conjures up an image of a residential space and a vacuum cleaner for most of us, it is important to remember that its use goes way beyond that. Woodworkers and hobbyists who like to work with wood are surrounded by a lot of dust that they need to clean up.

Big manufacturing plants need an efficient dust collection system to ensure that machines remain protected. Commercial-grade dust collection tools usually need a much higher CFM because they deal with larger spaces and more intense dust density.

Residential:

The higher the CFM, the more suction power a machine will have. Most vacuum cleaners that you can buy off the shelf have a CFM ranging from 50 CFM to 100 CFM. That is more than enough to take care of regular cleaning. Most of the time, you will find the CFM value listed by the manufacturer.

However, you should be aware that you might get a lower CFM in real life than what is listed since you will be adding your accessories to the system. All things considered, you should not settle for a vacuum cleaner that offers less than 45 CFM just to be on the safe side.

Wood-Working

For obvious reasons, anyone who works with wood tends to create way more dust than us healthy for a regular person to inhale. Wood dust exposure can cause permanent damage to a person's health over a lengthy period of time. It is important to rid a space of wood dust completely, especially if it doubles as the person's residence.

If you want to clean up chips and grains, you will need just about 350 CFM. On the other hand, if you are dealing with many fine dust particles, you will have to opt for 1000 CFM at the very least. Engineers have seen through calculations that any CFM value less than that cannot do a satisfactory job of collecting dust.

Shop-vacs

As the name suggests, these vacuum cleaners are used to clean commercial spaces like stores and shops. These large vacuum cleaners can also be used to clean storage facilities. They usually have a higher suction power and perform better than a home vacuum cleaner. Shop-vacs are capable of collecting sawdust, grass clippings, vehicular emissions, and so on. Most shop-vacs provide 200 CFM at the very least.

When you are looking for shop-vacs, your main concern should be the area of the space that you want to cover. Another factor that you should take into consideration is the location of your store or shop.

Dust-extractors

Extensive dust collectors or dust extractor reviews need dedicated ports to work properly. They are not cheap by any means, with prices ranging from 100 dollars to 5000 dollars.

Pre-fab dust collection systems are the most expensive of the lost and can cost anywhere between 10,000 dollars and 80,000 dollars. They are built to deal with airflow of 2,000-10,000 CFM.

How much CFM do you need?

This question does not have one right answer. You need to make a choice based on your individual circumstances. While this might seem unhelpful, the truth is that no two people will need an air tool for the exact same purpose. There are a number of factors that you have to take into account when you want to choose the appropriate CFM for your needs.

High suction dust collection tools are an investment that you should make carefully. Since they use a powerful motor, they consume more power which means that you will have to pay more. However, if a high suction cleaner is what you need to remain healthy and safe, then that's an excellent investment.

The ideal way of understanding what the maximum threshold is for the CFM you need is by experimenting. If you have an industrial space to worry about, do not be intimidated by heavy-duty dust collectors.

About the Author Mike Chua

Vircet is your one-stop modern products website that offers you detailed reviews based on efficiency, capacity, design, and performance. We help you make better decisions.

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