The universal pressure balanced elbow expansion joints were fabricated with 304 stainless steel bellows and carbon steel reinforcing root rings. The expansion joints were designed for an axial compression of .25″, extension of .75″, and lateral of 1″. They have an overall length of 237″ from center line or elbow to face of the weld end. All expansion joints were designed for 100 PSIG and hydro-tested at 150 PSIG.
May 25, 2010