This week’s feature is on tied universal expansion joints designed for piping in a power generation plant in Texas. They are 6" in diameter, 60" in length, and will be used in a hot air application. The pipe, lugs and weld ends are fabricated from carbon steel, and the bellows are 321 stainless steel. The expansion joints are designed for 100°F at 3 psig and are capable of 6" lateral movement. Each unit was 100% dye penetrant tested and soap and air tested prior to shipment.