Valtech Engineering builds (2) 60.0" hot wall flue expansion joints

Valtech builds (2) 60.0" ID hot wall flue gas expansion joints for major Indiana refinery. 45 psig at 1350 F. 1.0 inch thick 304H stainless expanded ducting with floating hardware. The first joint was a universal gimbal and the second joint was a single hinge with a hot wall manway and a hot to cold wall conic transition.