What are Tube Fittings? 

In this video, we discuss Tube Fittings and their common applications.
A tube fitting is a type of compression fitting. Tube fittings originated in the 1950s as a
replacement for flare-type fittings. With a flared fitting, you need a special flaring tool to
shape the tubing in order to create the seal when the fitting is tightened. Flared fittings
are difficult to make and are certainly more time-consuming. This is especially true for
applications in the field.
Tube fittings consist of a body, front ferrule, back ferrule, and nut. In a traditional 2
ferrule tube fitting the front ferrule is designed to drive forward into the body of the fitting
when the fitting is “made up” or tightened. This creates the process seal between the
body and the tubing. The back or rear ferrule is smaller and designed to “bite” the tubing
providing some stabilization to the entire connection.
Learn more about tube fittings in this video as we go far more in-depth.
Need help figuring out which type of tube fitting you need? Contact us!
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