Ferrule Type

Tube Fitting/Adapter Type

Configuration Type

Configuration Sub-Type


End 1

End 2

Wall Thickness

End 3

End 4

Outer Diameter

Inner Diameter


End 1 Type

End 2 Type

End 3 Type

End 4 Type

Parker Single Ferrule Compression Instrumentation Tube Fittings – CPI™ Series

Single ferrule tube fittings are used for tube or pipe joints under high pressure. They cannot leak and need to withstand conditions such as cycling temperatures and vibrations. The ferrule also ensures a secure, leak-free fit for a reliable joint.

Single doesn't have to mean lonely. Parker Single Ferrule Compression Instrumentation Tube Fittings – CPI™ Series are never lonely because there are so many configurations, sizes and materials to chose from. And, because they lead the industry in design and quality, they are quite popular, desired by technicians and engineers everywhere. No wallflowers here.

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About Parker

Parker is an experienced manufacturer that has been producing motion control and flow assurance products for more than 100 years. The company's solutions are the answer to engineering challenges in industrial and aerospace applications. As a global leader, Parker tube fittings are among the best available for these markets:

Parker is one of the best-known manufacturers of tube fittings, so you are sure to find what you need in our selection.

Benefits of Single Ferrule Tube Fittings

The tube fitting products from Parker create an effective seal while resisting vibrations and thermocycling conditions. Some design advantages include:

Single Ferrule Compression Instrumentation Tube Fittings From RG Group

At RG Group, we have many connector options, each with several variations:

These single ferrule tube fittings have great features:

Tube fittings are suitable for many applications, including:

Choose RG Group for Your Tube Fitting Products

If you are looking for single ferrule tube fittings by Parker, RG Group has what you need, including the best products and services for flow control applications. We have served the electromechanical, hydraulics and pneumatics fields for more than 60 years.

When you work with the team at RG Group, we will help you find what you need with great customer service. We have a wide selection of products available and will help you find the best single ferrule tube fitting for your application. We have several branches throughout the mid-Atlantic region and are available for installation and repairs 24/7.

To request a quote for single ferrule tube fittings or get more information, complete our online contact form or speak with a representative directly at 1-800-340-0854.