How to Connect Air Compressor Fittings Right Way? [Step-by-Step]

How to Connect Air Compressor Fittings Right Way

One very strong, versatile and certainly the dark horse that works combine with other useful apparatus, an air compressor is always popular for being productive and efficient.

There are a bunch of unique features of air compressors that come in use for so many sectors of tools. No doubt it’s a fascinating tool being present in every important equipment list.

However, there are a few fittings and accessories that need your attention if you wish the compressor to work at its highest levels. And so, we are here to tell you some important points on how to connect air compressor fittings. Stay Tuned!

How to Connect Air Compressor Fittings & What Are the Available Types:

Finding the ideal fitting size is what you should consider first. It’s one challenging task to do if you have no idea at all. But that does not mean you can skip it. There are certain types that will be bringing into the limelight today. And also, a passionate user guide to connecting these fittings will also be served. So, make your plates ready!

Also Read: Best Air Compressor Filter Dryer | Top Picks!

Connecting Fittings to Air Compressor:

17 Piece Compressor Inflation Kit with Blow Gun

Let’s first start with brushing up some basics, trust me it’s important. Now if you have owned an air compressor, then there should be a discharge coupler coming along. If there’s no such thing, then you should experience air flowing out of the air-line end. This is when you run the air compressor. Air flows through regulator and goes all the way out to line’s end. The coupler installed will help to not allow air flowing out.

There should be a flap check valve in that discharge coupler part. Sometimes there’s a tiny ball as a substitute. This is the main mechanism that stops air flowing through it. So that you can use until the mating connector is plugged.

As soon as compressor has enough run and tank is almost full, you can easily use the entire air inside. Now let’s move on to the big question. How can you transfer that tank air to the tool?

You need a flexible air-line or hose. Now to connect the air hose there should be connecting devices on both ends. And that’s when you may end up requiring an extra connector or coupler, in short fittings.

Step 1 – Start by Part Observation

The fitting should remain on hose end. Usually, air hoses end come with a threaded male fitting. You need to figure out the type first. By utilizing such easy to connect or disconnect fittings, you’ll make the hose removable. It could be for compressor itself or even the air accessories you want to connect with.

Step 2 – Threading Air Hose

You need to fit the female part into one end of hose tightly next. Use tools to do so with one for the air hose and another to hold fitting. Never try to over tighten it. Now using Teflon tape \ simply wrap other ends after connecting male fitting.

Step 3 – Connecting on Tank

Now use another female coupler fitting. It should be placed on the tank or compressor. Do the same tightening job. Connect the hose’s male fitting with tank’s female coupler. And the connection is made.

Air Compressor Fitting Types That You Can Use…

There are many categories based on different types of classification points. The most common differentiating factor is its size and uses. Here are some of the common types in detail.

The straight air fitting is a basic type seen quite commonly. It helps to supply air at one end while preventing in another. It’s known for being a valve, air cylinder or tool sort of component.

The second type helps in making an angle connection. This is the elbow air fittings that allow for airflow in a particular direction. You cannot expect device swiveling continuously. It’s only a one-time adjustment suitable. And the position stays that way for rest of time.

Now to fix that complaint, here’s the third type. The rotary union air fittings let movement to happen continuously. Even when in use. It can easily swivel again. And there’s no wearing out happening here since of ball bearings equipped within.

The next type is one-touch air fittings. These are a great choice to enjoy positive sealing. There’s no chance of airflow reduction. You can avail these in a wide range considering thread sizes and types. And because of technology for connecting mechanism, the tool is named this way.

There are also specially designed fittings. These are commonly known as special air fittings. When you require to fulfill a special demand for application such type of fitting comes in play. There’s a wide range for this type considering different features.

For example, a particular type includes tubing made of polyurethane and even nylon. Another type includes copper-free application benefits. There are also high-speed function variations available. These use high pressure or vacuum particularly.


And that was my take on how to connect air compressor fittings. It’s probably super easy once you figure out information about the particular type of fitting you’re using. Connecting various accessories to increase the efficacy of your air compressor is a valid thing to do.

And the right type of fitting will help you do that in safest and probably best way. Of course, it’s important that you consider the right size that matches what you’re been working with. And once you do so while learning the right connecting method, everything is good to go.

About Jeremy

Hello! My name is Jeremy Bloomberg. I have been passionate about carpentry and DIY. Over the years, my passion slowly turned into expertise and wider knowledge about electronics. I’ve been involved in numerous projects, both professional and personal. I want to share all I have learned with you. Welcome!

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