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 Product Info > Tube Fitting Barbs

KENT Systems Tube Fittings Barbs

Tube Fitting Barbs

When you compare KENT Systems products to what is currently in the market you will notice a different approach in the design of our tube fitting. Traditionally, hose fittings have been manufactured with a multi tube fitting. While this “More Is Better” style seems like an obvious approach, we aim to show you why our tube fitting design is simply better.





Standard Multi Tube Fitting Design

Years ago, before starting his own fitting company, our founder Kent Sampson fought with the multi tube fitting fittings. Like others, he found that the Tube Fittings leaked and required constant tightening of tube clamps. This design flaw comes from the fact that the manufacturing of the multi barb configuration creates parting lines alonge the tube fitting serfaces. As a result the parting line creates a channel by which fluid can excape the tube.

KENT Systems Single Tube Fitting Design

Determined to find a solution, Kent experimented with ideas before designed a single tube fitting with no parting lines on the sealing surface of the barb. This ingenious idea resulted in a far better seal and ultimately a better product. Between the years 1968 and 2000, Kent played with different single tube fitting designs all designed to work with a specific tube material. After founding KENT Systems, Kent prefected his design and created the Salient Barb™. This design not only works better than a multi barb, it also works works great over a wide range of tube materials. This refined design is exclusively found here at KENT Systems on our new product designs.




Easy To Install

KENT Systems Salient Barbs™ are easer to use than other tube fittings. If you have every tried to install a multi barb fitting, you will know that this is not being exaggerated at all... it is hard to push a tube on a multi Tube Fittings fitting.

KENT Systems Tube Fitting - Easy to install



KENT Systems Tube Fitting - Pressure Test

KENT Systems Tube Fitting - Pressure Test

When you use tube fittings, you want to know that they are not going to leak or come apart. In this demo you will see that the KENT Systems Salient Barb™ fitting stays on the tubing better than the multi barb fitting. Simply put, the KENT Systems Salient Barb™ fitting out performs multi barb fittings under pressure.




KENT Systems Tube Fitting - Pull Test

The KENT Systems Salient Barb™ goes on the tube so easly, surly it should pull off just a easly... Right? Well let‘s see just how strong that tube fitting is, Using the same braided tubing and fitting from before, we attempted to tow a car with our fitting. Click the video to see how it went.


Professional driver closed course, do not try this at home.

KENT Systems Tube Fitting - Pull Test



Advantages Of The Salient Barb™

  • Tubing can relax behind the tube fitting providing a better seal
  • No parting line on the barb surface thus eliminating potential leak paths
  • Easier to assemble
  • Increases pressure performance
  • Eliminates the use of hose clamps in most applications

Disadvantages Of A Multiple Barb

  • Lower psi performance as the tubing cannot fully relax behind the tube fitting to create a good seal
  • Parting lines that cause leak paths
  • Difficult to assemble
  • Requires the use of a hose clamp in most applications
  • Prone to disconnection in high pressure applications

KENT Systems Single Barb Design
cutaway of Salient Barb™ with tubing

Multi Tube Fitting Design
cutaway of multi tube fitting with tubing

At KENT Systems we have used the application knowledge from our customers along with our personal experience collected over 32 years to create a better sealing tube fitting. Just imagine, if we put this much time and testing into our tube fittings, consider what goes into the rest of our products.

Please see manufacture for terms, conditions, specifications, warranties and recommended use.










Tube Fitting Overview Links
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arrow Barb Sizes
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