The bellows and flow liner are 316 stainless steel, while the rest of the expansion joint is carbon steel. These expansion joints are capable of 5.3″ axial compression, 2.0″ lateral, and 5° of angular movement. They are designed to operate at 25 PSIG with temperatures up to 150°F. A hydro-test and X-ray test was performed prior to shipment.
This tied universal expansion joint is fabricated from carbon steel pipe, tie rods and covers, and 304 stainless steel bellows and liners. The overall length of the expansion joint is 72″. The application of this expansion joint is to provide for large lateral movement in a propane dehydrogeneration plant. The expansion joint welds were 100% dye-penetrant examined and hydro-tested prior to shipment.
U.S. Bellows, Inc. fabricated 50 expansion joints from 304L stainless steel. The expansion joints were 6″ and 8″ sizes. The 6″ expansion joints are 24″ face-to-face and the 8″ expansion joints are 26″ face-to-face. All of the expansion joints are fabricated with liners that are also made with 304L stainless steel. The design temperature was 200°F and the design pressure was 200 PSIG. The expansion joints were dye-penetrant tested and hydro-tested at 300 PSIG. U.S. Bellows, Inc. provides 100% customer satisfaction in terms of quality and delivery.
U.S. Bellows, Inc. designed and fabricated a 32″ universal expansion joint and 3″ single expansion joints to be utilized in a new epoxy resin plant in Saudi Arabia. The expansion joints are fabricated with stainless steel bellows and carbon and stainless steel flanges. The 32″ expansion joint has a design temperature of 482°F with a design pressure of 15 PSIG. The 3″ single expansion joints have a design temperature of 400°F with a design pressure of 370 PSIG.
The flanges on the 32″ universal expansion joint were custom fabricated to the customer’s special design requirements. One end of the 32″ expansion joint has a stainless steel custom machined flange with a grooved facing. The other end has a carbon steel lap joint flange. Each expansion joint was 100% dye-penetrant tested as well as hydro-tested.
U.S. Bellows designed and fabricated several single and universal expansion joints for a 12″ pipe size. The single joint has an axial movement of 1 3/8″ and the universal joint has a 2 1/2″ lateral movement. The design pressure is 276 PSIG and the design temperature is 626°F.
Both single and universal expansion joints have 316L SS bellows, flanges and tie rods. These expansion joints have 300 pound raised face stainless steel flanges and are designed to accommodate the customers’ low spring rate requirements. Each expansion joint was 100% dye-penetrant tested and hydro-tested at 414 PSIG. U.S. Bellows completed this expansion joint project ahead of schedule
U.S. Bellows, Inc. custom designed and manufactured three 3″ diameter and 36″ long universal expansion joints for a power plant project in South Carolina. These expansion joints, fabricated from 2-ply A240-304H stainless steel bellows, are designed for 170 PSIG and 1200°F per EJMA specifications.
This 36’-0″ long refractory lined tied universal expansion joint weighs 54,000 lb. and has two-ply Inconel® 625 LCF bellows, tie rods, slotted hinges, insulation bags, and liner seals. It is designed to operate at 58 PSIG and temperatures up to 1,450° F. The expansion joint was preset for 6” lateral travel and is capable of lateral travel up to 13”.
U.S. Bellows, Inc., recently designed and manufactured a 71″ x 84 universal expansion joint for a chemical manufacturing facility in Texas. The 3,000 lb. expansion joint was fabricated in just two weeks and replaced an existing expansion joint. This product was designed for 40 water column vacuum at 750ºF. The bellows and internal sleeves were constructed from Hastelloy C-276 and all other components were fabricated using carbon steel. The joints were 100% x-rayed and 100% dye-penetrant tested. An air test was performed at 3 PSIG for the entire expansion joint assembly prior to shipping.
U.S. Bellows, Inc. recently fabricated 60 dia. refractory lined universal expansion joints for a carbon monoxide ducting system at a chemical refinery. The expansion joints are lined with a 3/4″ thick abrasion resistant refractory lining with hexagonal mesh reinforced anchor. A240 TP 304 material was used to fabricate the bellows and flanges and A240 TP 310 material was used for the spool. Designed for 2 PSIG, the joints were air tested at 5 PSIG to ensure quality performance. A dye-penetrant test was also implemented on the bellows’ long seam and attachment welds. These expansion joints were fabricated and designed per B31.3 and EJMA standards.
U.S. Bellows, Inc. specially designed and manufactured two 55″ O.D. refractory lined universal gimbal expansion joints for a refinery in Joliet. These expansion joints are equipped with slotted hinges with an overall length of 163″ and 286″ respectively. The 163″ O.A.L. expansion joint, designed for 60 PSIG and 1020°F, will be used at the reactor standpipe of the refinery. The 286″ O.A.L. expansion joint will be used for the regenerator standpipe of the refinery and it is designed for 57 PSIG and 1300°F. Both expansion joints consist of an A516 Gr70 pipe, two SB-443 two-ply bellows, and a slotted hinge.
To ensure quality, 100% dye-penetration, 100% x-ray and pressure tests were performed on the bellows. Pneumatic and vacuum tests were also conducted on the expansion joints and between bellows dry plies prior to shipping.
U.S. Bellows, Inc. designed and fabricated this refractory lined universal expansion joint for an FFC Unit in India. This is a 70″, outside diameter, tied refractory-lined universal expansion joint with two-ply Inconel® 625 LCF bellows, A516 weld ends and spool, and a 4″ thick refractory lining per UOP specifications. This joint was designed at 51 PSIG and 1400 degrees F. Bellows long seam welds were 100% x-rayed and 100% dye-penetrant before and after forming. It was also pneumatic tested at 57 PSIG the refractory lining was dried out per UOP specifications.
U.S. Bellows, Inc. designed and fabricated this expansion joint exhaust assembly for an oil refinery in Texas. This expansion joint is offset for an offshore platform and weighs approximately 8,000 lbs. It has a design pressure and temperature of 1 PSIG and 1000 degrees, respectively. The air test was conducted to detect any leaks.
54″ Diameter Tied Universal Expansion Joint for NASA Space Center
U.S. Bellows, Inc., the expansion joint division of Piping Technology & Products, Inc., specially designed and fabricated a 54″ diameter tied, universal expansion joint for NASA Space Center. The expansion joints were designed at full vacuum and 450° F and constructed with 304 SS bellows, liner and A516 Gr. 70 spool, weld ends and carbon steel tie rods. The bellows’ attachment welds were 100% dye-penetrant tested.
U.S. Bellows, Inc., the expansion joint division of Piping Technology & Products, Inc., specially designed and fabricated a 44-inch, O.D Universal, refractory lined expansion joint for a chemical plant in Venezuela.>The expansion joint was designed for 100 psig at 1,000° F and fabricated with 321 SS two-ply tested bellows, A-387 GR11 weld ends, 14 Ga. 304 SS, Hexmesh anchoring system and Resco 17 EMC refractory. The expansion joint was also designed and fabricated per B31.3 and EJMA Standards.
This picture shows a 47.25″ I.D. Universal Expansion Joint with SB-443 (Inco. 625) round corners bellows, and SA516-70 flanges for ethylene plant in Saudi Arabia. This expansion joint was custom designed and fabricated by U.S Bellows, Inc for an ethylene plant in Saudi Arabia.
Shown above is stainless steel, universal expansion joint fabricated by the Sweco Fab, division of Piping Technology & Products, Inc. This unit was refractory lined before being shipped to a refinery for installation in their piping system
Piping Technology & Products, Inc. engineered, designed and built this 5’ x 22’ stainless steel, thick wall, tied, universal expansion joint for a major producer of agricultural chemicals in Louisiana. A special in-house CAD program was utilized in the design effort for these expansion bellows to meet the process parameters. Also, special guides and anchors were provided to facilitate proper operation of this critical unit within the system.