When it comes to Double Ferrule tube fittings and valves, we all think of Swagelok as the industry leader. But when the patents expired, it invited other manufacturers into the market and created competition for the product category.

In this video, we explain the difference between intermixing and interchanging DK-LOK and Swagelok compression fittings.

In this article, we discuss five reasons why you should choose DK-LOK over Swagelok for your compression tube fittings and instrument valves.

There's been a great deal of research and testing done on the topic of mixing compression fittings of different brands. In this article, we discuss the results of a recent intermix test.