U.S. Bellows custom built these seismic universal rectangular expansion joints for a clean room in California. The units were completely fabricated from 304 stainless steel and measure 68″ x 36″ x 51 1/2″. They are designed for an operating temperature of 68°F at +/-2″ water column and 1 1/2″ of movement in all directions. All units were 100% dye penetrant and air jet leak tested prior to shipment.
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U.S. Bellows designed these hinged universal fabric expansion joints for a chemical plant in Delaware. The expansion joints are 84″ in diameter and 60″ OAL. The fabric belt is made with PTFE while the rest of the components are from carbon steel. The expansion joints are designed for an operating temperature of 650°F at 1 psig and 1/2″ of angular movement. The units were 100% dye-penetrate examined was performed prior to shipment.
Read MoreU.S. Bellows designed this hinged expansion joint for a pipeline in Mexico. It is 30″ in diameter and 18″ in length. The bellows are fabricated from 304 stainless steel, and the remainder of the assembly is carbon steel. The expansion joint is designed for an operating pressure of 25 psig at 986°F, with an angular movement of 4.5°. All units in this project were 100% dye-penetrant and hydro-tested prior to shipment.
U.S. Bellows designed these EPDM neoprene fabric expansion joints for a generator fan application at a gas turbine facility. The expansion joints are 54″ in diameter and 15″ OAL. Each unit was fabricated has an EPDM fabric belt, stainless steel band clamps, and carbon steel angle flanged ends. The expansion joints are designed for -20°F/+200°F at +/- 100″ water column. A 100% dye penetrant examination on all carbon steel welds was conducted on all units prior to shipment.
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U.S. Bellows designed this tied universal elbow expansion joint for a chemical plant in Arkansas. The bellows, pipe, and liner were made from 304 stainless steel and the tie rods and cover from carbon steel. The expansion joint is 30″ in diameter and 134″ center line to center line of the elbow. It is designed for an operating temperature of 450°F at 200 psig and 2″ of axial lateral. All butt welds were 100% x-rayed and the remaining welds were dye penetrant examined. The complete unit was hydrotested prior to shipment.
These neoprene expansion joints were designed for a gas turbine application. Each expansion joint is 42″ ID and 7″ OAL. The frame was fabricated from A572 Gr.50 carbon steel, the clamps from 304 stainless steel, and the belt is reinforced neoprene. The expansion joints were designed for -20°F/+200°F with a +/- 100″ water column. A dye penetrant examination on the welds was performed prior to shipment.
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U.S. Bellows designed these single gimbal expansion joints with floating ring gimbal attachment to the pipe for a flare gas and steam application at a methanol plant in Texas. The bellows were fabricated from Inconel® 625 LCF, the liner and the weld-ends from 316H stainless steel, the cover from 304 stainless steel, and the gimbal structure from A516 carbon steel. The expansion joints are 48″ diameter and are 61 3/8″ in overall length, and are designed for an operating temperature of 752°F at 50 psig. All expansion joints were 100% dye penetrant, X-ray, and hydrotested prior to shipment.
These tied universal expansion joints were custom designed by U.S. Bellows for a pipeline in Connecticut. All components of the expansion joints were fabricated from 316 stainless steel. The job was comprised of units that were 12″ or 16″ in diameter and 60″ in OAL. They are designed for an operating pressure of 10-125 psig at 450°F and a lateral movement of +/- 1″. All of the expansion joints were 100% dye-penetrant tested and hydro-tested at 150 and 175 psig prior to shipment.
These tied universal expansion joints were custom designed by U.S. Bellows for a pipeline in Connecticut. All components of the expansion joints were fabricated from 316 stainless steel. The job was comprised of units that were 12″ or 16″ in diameter and 60″ in OAL. They are designed for an operating pressure of 10-125 psig at 450°F and a lateral movement of +/- 1″. All of the expansion joints were 100% dye-penetrant tested and hydro-tested at 150 and 175 psig prior to shipment.
These tied universal expansion joints were custom designed by U.S. Bellows for a pipeline in Connecticut. All components of the expansion joints were fabricated from 316 stainless steel. The job was comprised of units that were 12″ or 16″ in diameter and 60″ in OAL. They are designed for an operating pressure of 10-125 psig at 450°F and a lateral movement of +/- 1″. All of the expansion joints were 100% dye-penetrant tested and hydro-tested at 150 and 175 psig prior to shipment.
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| Type: | Single Expansion Joint |
| Size: | 4″ Diameter |
| Material: | 321 Stainless Steel with 304 liners | 105N CS |
| Design | 212°F Operating Temperature |
| Testing: | 100% Dye Penetrant | Hydro-tested |
U.S. Bellows custom designed 4” diameter single expansion joints for a hydrocarbon vapor pumping application in Saudi Arabia. The bellows are fabricated from 321 stainless steel with 304 liners, and the flanges are 105N carbon steel. The expansion joints are designed for 212°F at 53 psig. They are capable of 1.37″ compression, 0.59″ axial, and 0.39″ lateral movement. A hydro-test and dye-penetration exam were performed on the units prior to shipment.
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U.S. Bellows designed and fabricated this rectangular metallic expansion joint for a boiler exhaust application. The expansion joint is 45½” x 75½”. The unit’s bellows, liner, and angle flanges are 304 stainless steel and the cover is carbon steel. The expansion joint is designed for an operating temperature of 500°F at 15 psig. A 100% dye penetrant examination and air and soap leak test was performed prior to shipment.
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U.S. Bellows designed these universal expansion joints with flanges for HVAC services in California. The bellows are fabricated from 304 stainless steel, the flanges from A105 carbon steel, and pipe from 106 Gr. B carbon steel. The expansion joints in this project ranged from 3″ to 10″ in diameter, and are designed for an operating temperature of 160°F to 353°F at 120-125 psig, with an axial compression of 1.5″ and a lateral deflection of 1.3″. All expansion joints were 100% dye-penetrant tested and hydro-tested prior to shipment.
This 28″ diameter by 43″ OAL single gimbal expansion joint with a square gimbal box was designed by U.S. Bellows for a pipeline in Tennessee. The bellows are fabricated from Inconel® 625 LCF and the pipe and liners from 316 stainless steel. The expansion joint is designed for an operating temperature of 1250°F at 120 psig. The assembly has a floating ring gimbal design that restrains the pressure thrust. The unit was dye penetrant examined, all welds were 100% X-rayed, PMI, and hydro-tested prior to shipment.
U.S. Bellows designed this fabric expansion joint for a gas turbine application. The dimensions for the expansion joint are 153” x 55” x 21”. The fabric belt is made from reinforced neoprene, while the frame and liner are fabricated from A572 Gr.50 carbon steel. The expansion joint is designed for -20°F/+200°F at +/- 100″ water column. A 100% dye-penetrant examination on the welds was preformed prior to shipment.
U.S. Bellows designed this universal expansion joint for a thermal power plant in Oregon. The expansion joint is 136″ in diameter and 36″ in OAL. The bellows are fabricated from stainless steel and the flanges and pipe are carbon steel. It is designed for a lateral movement of 1/2″ at 250°F and 15 psig. The expansion joint was 100% dye-penetrant tested prior to shipment.
U.S. Bellows designed these universal expansion joints with limit rods for a pipeline in Taiwan. The expansion joints are 4″ diameter by 18″ length. The bellows are fabricated from 304 stainless steel and the flanges are 316 stainless steel. They are designed for an operating temperature of 150°F at 150 psig, with a compression of 1.5″ and a lateral deflection of 0.5″. All expansion joints were 100% dye-penetrant tested and hydro-tested prior to shipment.
| Type: | Single Expansion Joint |
| Size: | 16″ diameter |
| Material: | 304L stainless steel |
| Design | 1/2″ axial movement and 265°F at 210 psig |
| Testing: | 100% X-Rayed |
U.S. Bellows, Inc. designed single expansion joints with limit rods for a pipeline application. They are fabricated from 304L stainless steel and have a 16″ diameter. The expansion joints were designed for 1/2″ axial movement and 265°F at 210 psig. All expansion joints were hydro-tested at 315 psig, 100% dye penetrant and the bellows longitudinal seams were x-ray examined prior to shipment
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U.S. Bellows custom designed an inline pressure balanced expansion joint for an ammonia and urea plant in Bolivia. The bellows and liners are fabricated from 304 stainless steel and the assembly from carbon steel. The unit is 46″ diameter and 71-3/8″ in overall length. The expansion joint was designed for 0.8″ axial movement with an operating temperature of 392°F at 114 psig. A 100% dye penetrant test, x-ray, and hydro-test were performed prior to shipment.
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| Type: | Single Expansion Joint |
| Size: | 6″ diameter |
| Material: | 304 Stainless Steel | Carbon Steel |
| Design: | 0.92″ axial movement, 0.14″ lateral movement, 400 psig |
| Testing: | 100% Hydro-tested |
U.S. Bellows designed and manufactured 6″ diameter single expansion joints for a pipeline in Texas. They are fabricated from 304 stainless steel and capable of 0.92″ axial movement, 0.14″ lateral movement and are designed for 400 psig at an operating temperature of 450°F. The assemblies include external covers to protect the bellows from outside damage during plant construction and later during maintenance. All expansion joints were hydro-tested to 600 psig prior to shipping.
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