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U.S. Bellows, Inc. fabricated rectangular fabric expansion joints for a gas turbine.They are 136″ L x 54″ W 12″ face-to-face. The frame and liner are fabricated from stainless steel and the fabric belt is 1-ply PTFE. The expansion joints are designed for 600°F at +/- 100″ water column. A 100% dye-penetrant examination was preformed prior to shipment.
U.S. Bellows custom-designed inline pressure balanced expansion joints for a pipeline in Texas. The bellows are fabricated from 316 stainless steel and the flanges and liners from carbon steel. The units have a 20″ diameter and are 30″ in overall length. The expansion joints were designed for 0.17″ compression with an operating temperature of 150°F at 285 psig. A dye penetrant test and pressure test at 300 PSIG was performed prior to shipment.
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U.S. Bellows custom designed this tied universal expansion joint for a power plant. The expansion joint is 12″ Dia. x 34 1/2″ OAL. The bellows are fabricated from Inconel 625 LCF and the tie rod ring attachments, pipe and tie rods are 316 stainless steel. It is designed for an axial movement of 1/2″, a lateral movement of 2 1/4″ at 1250°F and 120 psig. The bellows longitudinal seam was 100% x-rayed, all welds were dye penetrant-examined and the unit hydrotested prior to shipment.
U.S. Bellows, Inc. fabricated this 84″ diameter universal expansion joint with refractory lining for an FCC unit in Texas. The unit is designed with 321 stainless steel bellows and carbon steel flanges. It is lined with a 4″ thick refractory lining and measures 96″ in overall length. The bellows long seams were 100% x-rayed and dye-penetrant tested
U.S. Bellows refurbished this double gimbal expansion joint for an oil refinery in Baytown, Texas. The bellows were replaced with Inconel 625 and the duct, elbow, cover, and liner are carbon steel. This unit has a diameter of 20″ and an overall length of 108″. The expansion joint was designed for 4″ lateral movement at 450°F and 180 psig. Prior to shipment, the unit was 100% dye penetrant tested, PMI examined, and hydrotested.
US Bellows custom-designed this single externally pressurized expansion joint for an oil refinery in Saudi Arabia. The bellows are fabricated completely from 316 stainless steel. The expansion joint is 32″ in diameter and 61-1/4″ in length. It is designed for 8″ axial movement and 150 psig at 176°F, with a spring rate of 1096 lb./in. The unit had the stainless steel alloy material PMI examined. It was also dyed penetrant examined and hydro tested prior to shipment.
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U.S. Bellows designed and fabricated a rectangular metallic expansion joint with mitered corners for a gas turbine in New York. This unit’s dimensions are 37″ in width by 102″ in length by 16″ face-to-face. The bellows, frame ends and internal liner are fabricated from 300 series stainless steel. The expansion joint is designed for +/- 100″ water column and for a temperature range of -20°F to 800°F. It is designed for an axial movement of 1/2″ with a lateral offset of 1/2″. A dye penetrant examination and air and soap leak test was performed prior to shipment.
U.S. Bellows, Inc. designed and fabricated a universal expansion joint for chemical company. The expansion joint is 60″ in diameter and 72″ in overall length. This unit is designed for 3.25″ lateral movement with a 3,620 lb./in. axial spring rate, a 131″ water column with a temperature of 220°F. An x-ray test and dye-penetrant examination were conducted on the bellows longitudinal seam weld as well as an air, soap, and bubble test prior to shipment
This universal expansion joint was refurbished for a manufacturing facility in Tennessee. The bellows were fabricated from 304 stainless steel. The expansion joint was designed for an operating temperature of 475°F and a pressure of 127 psig. The unit is 16″ diameter by 123″ long and it is capable of 3/4″ lateral movement. A dye penetrant exam and hydro-test was conducted prior to shipment.
These externally pressurized expansion joints were custom designed for 8″ axial movement and 150 psig at 176°F, with a spring rate of 2,152 lb./in. They are 16″ in diameter and 60-1/4″ face-to-face. The bellows are fabricated from 304 stainless steel, and the rest of the expansion joint is fabricated from carbon steel. Each unit was hydro-tested, radiographic tested, and dye penetrant tested prior to shipment.
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