Technical Videos

NEW!!! Metal Expansion Joints in ONE MINUTE - Click To See Animations
August 1, 2014

Metal Expansion Joint Installation

August 1, 2014

Expansion Joint Liners

August 1, 2014

Why An Expansion Joint Works Part Two

August 1, 2014

Why An Expansion Joint Works Part One

How does a thin bellows hold the same pressure as that of a thicker pipe? The hoop stress pressure of a pipe is derived and then […]
August 1, 2014

Inspecting Metal Bellows Damage

A metal bellows can be easily damaged if installers are not careful. The dents, arc strikes, and scratches are not always a cause for immediate panic. […]
August 1, 2014

Metal Rectangular Expansion Joints

Are all metal rectangular expansion joints created equal? Not even close. Many after-market metal rectangles are made with a V-profile with a miter weld at the […]
August 1, 2014

EJMA verses ASME

The EJMA design guide and the ASME code have different design criteria for metal bellows cycle life. The history of the ASME B31.3, Section VIII, and […]
August 1, 2014

Van Stone Flanges

Van stone flanges enable ease of installation and provide a corrosion barrier between the media and the flange. This is a video that is of interest […]
August 1, 2014

Introduction For Metal Expansion Videos

A short introduction to the Oakbridge Bellow Technical video library. Length: 0.41  
May 26, 2014

Acid condensate on metal bellows expansion joint

High temperature flue gas ducting often has metal bellows expansion joints that are internally insulation. Make sure the bellows remains above 400F to prevent acids from […]