Types of ferrule:

Ferrule Fittings have two parts, Body and Nuts, which are connected together to make a perfect joint. These fittings have two types, such as single ferrule and double ferrule.

Single ferrule:

In the single ferrule fittings, the nose of the ferrule is utilized to fulfil two purposes. One is to bite into the tube to hold it, and the second is to provide a sealing part for the coupling body. Single ferrule fittings have a relatively less pressure rating as compared to their twin-ferruled equivalent. These ferrule fittings are manufactured by considering the operators’ demands and ease of use. It has one less part than double ferrule fittings, and also, it is usually hard to be installed inaccurately. Despite its advantages, double ferrule fittings are generally the preferred option over single ferrule fittings.

Double ferrule:

The twin or double ferrule fittings has front ferrule and back ferrules. These ferrule fittings make a grip by the back ferrule and create a seal by the front ferrule. The double ferrule is also known as two-ferrule, which is available in different materials. The size of this type of ferrule fitting is the same as single ferrule fittings. Double ferrule fittings offer a perfect connection due to their sturdy mechanical grip design. This double ferrule fittings can be utilized for tubing purposes with different widths and varying hardness levels.