Two Ply Bellows provides good balance of bellows life spring rate & wider operating range

Two-ply Bellows are the most common type of Pipe bellows , providing a good balance of bellows life, spring rate and a wider operating range.Multi-ply Bellows are made up of two or more concentric tubes made of sheets of metal of a defined thickness. Bellows Systems Two-ply standard bellows designs (02 series Bellows) have been industry standard for over four decades.

If you are unsure of what kind of Multi-ply bellows design is right for you, contact our engineers today and we will provide you with the right bellows for your application. All the Two-ply metal pipe bellows manufactured by Bellows Systems are in accordance with the Expansion Joint.

Bellows Systems can provide Two-ply testable variants as well. We ensure that the bellows are designed in such a way that each ply is capable of handling full line pressure. In the event of failure of the inner ply, the outer ply will last long enough to replace the bellows and reduce any potential down time.

Ply refers to the number of sheet metal thicknesses used in the forming of the Bellows Therefore, a 2-ply bellows would be composed of two sheets of metal.