February 16, 2013
| Type: | Single Expansion Joint |
| Size: | 14″ dia. and 84″ Diameter |
| Material: | 304 stainless steel |
| Design | spring rate of 2,530 lb/in., 1″ axial movement at 300°F and 37 psig |
| Testing: | 100% Dye-penetrant | Hydro-tested |
U.S. Bellows custom designed 14″ dia. and 84″ dia. single expansion joints for a pipeline in a utility plant in Colorado. The bellows are 304 stainless steel and carbon steel was used for the flanges and tie rods. The assemblies were designed for a spring rate of 2,530 lb/in., 1″ axial movement at 300°F and 37 psig. The assemblies were dye penetrant examined and air tested with a delivery of 12 weeks.
