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U.S. Bellows custom designed tied universal expansion joints for an oil refinery in Dubai. The expansion joints are fabricated from 304 stainless steel and range in diameter from 6″ to 30″. They are designed for 5/8″ lateral movement and 51 psi at 230°F. Each unit was dye penetrant examined and hydro-tested prior to shipment.
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U.S. Bellows, Inc. custom designed this 32″ diameter elbow pressure balanced expansion joint for a manufacturing facility in Midway, Tennessee. The bellows, cover and liner are all fabricated from stainless steel. The unit is 10′-4″ long and designed for 350°F. The expansion joint is designed for 1/8″ axial and 1/4″ lateral movement. A dye penetrant exam and hydro-test at 53 psig was preformed prior to shipment.
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US Bellows designed and manufactured this 24″ diameter by 140-3/16″ OAL custom elbow pressure balanced expansion joint for a chemical plant in Missouri. The pipe and weld ends are fabricated from 347 stainless steel. The liner, tie rod lugs, and end plates are fabricated from 304-H stainless steel. The bellows are Incoloy 800H. This expansion joint is designed for 2.6″ axial compression and 170 PSIG at 1200°F. The bellows longitudinal seams were 100% x-rayed, and the entire unit was dye-penetrant examined and hydro-tested at 255 PSIG prior to shipment.
U.S. Bellows custom designed duct work with turning vanes in the elbows for a dry tower leading to a main gas blower inlet. The duct work assemblies are fabricated from 316L stainless steel and designed for temperatures up to 150°F. The total assembly is 66″ diameter and 749-5/8″ long. The units were x-rayed, dye penetrant tested and hydro-tested prior to shipment.
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U.S. Bellows, Inc. custom designed this tied universal expansion joint for a facility in California. The bellows are fabricated from 316 stainless steel. The assembly measures 48″ in diameter and 90″ in length. The units are designed 3″ axial, 2″ lateral and 450°F at 150 psig. A dye penetrant examination and hydro-test was conducted prior to shipment.
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| Type: | Single Expansion Joint |
| Size: | 4″ pipe |
| Material: | 304 Stainless Steel | Carbon Steel |
| Design | 150 PSIG at 300°F spring rate of 425 lb./in |
| Testing: | 100% Dye-penetrant | Hydro-tested |
U.S. Bellows Designed and fabricated single expansion joints for a chemical facility in Canada. They are designed for a 4″ pipe. These single joints have an axial movement of 1″ and a spring rate of 425 lb./in. The design pressure is 150 PSIG at 300°F. Each unit underwent a dye penetrant exam and hydro test prior to shipment.
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| Type: | Single Expansion Joint |
| Size: | 42″ diameter and the overall length is 16″ |
| Material: | 316 L stainless steel |
| Design | 140°F at 1 psig with 2″ of axial lateral movement |
| Testing: | 100% Dye-penetrant | Pneumatic |
A single expansion joint was custom designed for a gas turbine system in Mexico. The bellows, flanges, and limit rods are all fabricated from 316 L stainless steel. The bellows are 42″ diameter and the overall length is 16″. The expansion joints were designed for 140°F at 1 psig with 2″ of axial lateral movement. A dye penetrant exam and pneumatic test were completed prior to shipment
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This 42″ dia., 118″ long universal expansion joint was designed with pantographic linkage and slotted hinges for flue gas application in a Columbian refinery. The redundant two-ply testable bellows are fabricated from Inconel 625 LCF and the remainder of the assembly was fabricated with refractory lined carbon steel. It is designed for an axial movement of 1.3″ at 1,000°F and 50 psig. All welds were 100% dye penetrant examined, the bellows longitudinal seam and pipe seams were 100% X-ray examined. The complete assembly was pneumatically tested to 50 psig.
U.S. Bellows, Inc. custom designed eighty-one universal expansion joints for an oil refinery in California. The bellows are fabricated from 304 stainless steel, and the pipe and flanges are carbon steel. The units range from 1″ to 8″ in diameter and are designed for a spring rate of 20 lb./in. The expansion joints are designed for 140°F at 25 psig and are capable of 1″ axial compression. Each unit was hydro-tested prior to shipment.
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U.S. Bellows custom designed universal expansion joints for an oil refinery in the Philippines. The bellows and liner are fabricated from 304 stainless steel and the cover, tie rods, flanges and pipe spool are carbon steel. The sizes are 18″ dia. x 60.5″ long, 28″ dia. x 80.75″ and 36″ dia. x 40″ long. The units are designed with movement indicators and for 50 psig at 655°F. They are capable of 0.675″ compression, 0.375″ lateral and 1″ angular. The bellows and pipes were 100% x-rayed, PMI examined and hydro-tested
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