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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
Read MoreThese custom single expansion joints were manufactured for a rare isotopes beams lab at Michigan State University. They are 1″ and 1-1/2″ in diameter and fabricated entirely of 304 stainless steel. The expansion joints are capable of 1″ movement, 380 lb. and 150 psig at 400°F. Dye penetrant exam and helium leak test was conducted prior to shipment.
| Type: | Single Expansion Joint |
| Size: | 59-7/15″ to 78-8/8″ and are 41-5/16″ long Diameter |
| Material: | 800H, A-240 type 304H stainless steel weld ends |
| Design | lateral movement of 0.25″, axial movement of 2.64″ and 15 psig at 1231°F |
| Testing: | 100% X-Rayed | Dye-penetrant |
These single expansion joints are custom designed for an internal reactor in a propylene process unit. They are fabricated with Incoloy 800H bellows and A-240 type 304H stainless steel weld ends. The expansion joints range in diameter from 59-7/15″ to 78-8/8″ and are 41-5/16″ long. They were designed for a lateral movement of 0.25″, axial movement of 2.64″ and 15 psig at 1231°F. PMI, x-ray and dye penetration tests were performed prior to shipment.
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U.S. Bellows, Inc. custom designed and fabricated tied universal expansion joints for a vapor line used for rail car loading at the Houston ship channel. The expansion joints are 12″ dia. x 40″ O.A.L. The bellows are fabricated from 304 stainless steel and the flanges and limit rods are carbon steel. They are designed for 100°F at 1 psig and capable of 5″ axial movement. Each unit was 100% dye penetrant tested and soap and air tested prior to shipment.
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Read MoreTwenty-four single hinged expansion joint were custom designed for a chemical plant. Eight are 16″ dia., four are 12″ dia., twelve are 6″ dia., and they range in length from 14″ to 16″. The bellows are fabricated from 304 stainless steel and the rest is carbon steel. The 16″ dia. joints are designed for 2° angular movement at 300°F and 150 psig. The 12″ dia. joints are designed for 1 deg. Angular movement at 300°F and 400 psig. The 6″ dia. joints are designed for 1° angular movement at 300°F and 650 psig. All expansion joints were dye penetrant examined and hydro-tested prior to shipment
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