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10″ Dia. Universal Expansion Joints for HVAC Service in California

September 29, 2015

10" Dia. Universal Expansion Joints for HVAC Service in California
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.

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Stainless Steel Universal Expansion Joints for a Pipeline in Taiwan

July 19, 2015

Stainless Steel Universal Expansion Joints for a Pipeline in Taiwan
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.

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8″ Dia. Tied Universal Expansion Joint Designed for a Pipeline in Colorado

May 15, 2015

8" Dia. Tied Universal Expansion Joint Designed for a Pipeline in Colorado
U.S. Bellows designed 8″ diameter tied universal expansion joints for a pipeline in Colorado. The bellows are fabricated from 321 stainless steel and the flanges, pipe, and tie rods are carbon steel. They are designed for a lateral movement of 5″ at 400°F and 200 psig. The lateral force to deflect the units 5″ is 116 lb. The expansion joints are rated for a 7,000 cycle life and were 100% dye-penetrant tested and hydro-tested prior to shipment.

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12″ Dia. Tied Universal Expansion Joint Designed for a Power Plant

March 1, 2015

12" Tied Universal Expansion Joint Designed for a Power Plant
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.

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60″ Dia. Universal Expansion Joint Designed for a Chemical Company

November 2, 2014

60" Dia. Universal Expansion Joint Designed for a Chemical Company
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

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Universal Expansion Joint Refurbished for a Manufacturing Facility in Tennessee

October 26, 2014

Universal Expansion Joints Refurbished for a Manufacturing Facility in Tennessee
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.

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42″ Dia. Universal Expansion Joint Designed with Pantographic Linkage and Slotted Hinges for a Flue Gas Application

May 31, 2014

42" Dia. Universal Expansion Joint Designed with Pantographic Linkage and Slotted Hinges for a Flue Gas Application
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.

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81 Universal Expansion Joints Designed for California Refinery

May 12, 2014

81 Universal Expansion Joints Designed for California Refinery

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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36″ and 18″ Diameter Universal Expansion Joints Designed for an Oil Refinery in the Philiphines

March 21, 2014

36" Dia. Universal Expansion Joints Designed for an Oil Refinery in the Philippines

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

18" Dia. Universal Expansion Joints Designed for an Oil Refinery in the Philippines

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24″ Dia. Universal Expansion Joint Designed for a Refinery in Europe

October 12, 2013

24" Dia. Universal Expansion Joint Designed for a Refinery in Europe

U.S. Bellows designed and manufactured this universal expansion joint in accordance with ASME section VIII for an oil and gas refinery in Europe. A U2A- form was furnished as part of the units’ documentation. The expansion joint has a 24″ diameter and 103″ overall length. The bellows, liners and covers are fabricated from 316 stainless steel, and the flanges, tie-rods and pipe are carbon steel. The unit is designed for an operating temperature of 181°F at 101 psig and 1″ axial movement with a 3″ lateral offset. The bellows and pipe longitudinal weld seams were x-rayed, dye-penetrant and hydro- tested prior to shipment

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Pressure Balanced Tee Expansion Joint Designed for a Boiler Feed Pump Turbine Exhaust

January 20, 2013

Pressure Balanced Tee Expansion Joint Designed for a Boiler Feed Pump Turbine Exhaust

Type:  Single Expansion Joint
Size:  96″ Dia. x 288″ OAL
Material:  carbon steel with 304 stainless steel
Design:  2″ axial movement at 315°F and 15 psig
Testing:  100% Pneumatic-tested

This pressure balanced tee expansion joint was custom designed for a boiler feed pump turbine exhaust in a power plant. It is 96″ Dia. x 288″ OAL and fabricated from carbon steel with 304 stainless steel bellows, turning vanes and liners. It is designed for 2″ axial movement at 315°F and 15 psig. The expansion joint was dye penetrant examined, and a chemical cleaning of the interior surfaces was performed to remove any oil and grease. U.S. Bellows also performed a pneumatic test at 23 psig.

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Universal Expansion Joint with Refractory Lining and Pantographic Linkage

December 9, 2012

Universal Expansion Joint with Refractory Lining and Pantographic Linkage

U.S. Bellows, Inc. fabricated this 28″ dia., 109″ long universal expansion joint with 1″ thick AA-22 abrasion resistant refractory lining and pantographic linkage for a FCC unit in an oil refinery. The entire assembly is fabricated from 304H stainless steel with carbon steel pantographs. This expansion joint has two-ply testable bellows with wire mesh strip between the plies. It is designed for an axial movement of 5″, a lateral movement of 5-1/2″ at 1425°F and 45 psig. This unit was 100% dye penetrant tested, all pressure retaining welds were 100% radiographed and the unit was pneumatic tested prior to shipping to Oklahoma.

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12″ Dia. Universal Expansion Joints with Stainless Steel Bellows

March 26, 2012

12" Dia. Universal Expansion Joints with Stainless Steel Bellows
These universal metallic expansion joints were custom designed for a chemical plant in Texas. They are fabricated entirely from stainless steel with 304 stainless steel bellows. The expansion joints are 12″ diameter, 77-1/2″ long and designed for 4-1/2″ axial movement and 2″ lateral movement. They were designed for 200°F and 100 psig. Each unit was 100% dye penetrant examined and hydrotested prior to shipment.

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102″ Dia. Tied Universal and Hinged Expansion Joints

March 12, 2012

102" Dia. Tied Universal and Hinged Expansion Joints
102" Dia. Tied Universal and Hinged Expansion Joints

Type:  Single Expansion Joint
Size:  102″ diameter, 225″ long, 102″ diameter, 71″ long
Material:  carbon steel with 316 stainless
Design  8.2″ lateral movement, 0.76° angular rotation, 250°F at 7.25 psig
Testing:  100% X-Rayed | Dye-penetrant | Soap/Air-tested

U.S. Bellows designed and fabricated tied universal expansion joints and single hinged expansion joints for a power plant in Canada. All the units were fabricated from carbon steel with 316 stainless steel bellows. The universal tied joints are 102″ diameter, 225″ long and are designed for 8.2″ lateral movement. The hinged joints are 102″ diameter, 71″ long and designed for 0.76° angular rotation. Each expansion joint can withstand temperatures up to 250°F at 7.25 psig. The bellows and pipe long seams were 100% x-rayed, and all the welds were 100% dye penetrant tested. A soap and air test were performed prior to shipment.

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Universal Expansion Joint with 5″ Thick Refractory Lining for a Styrene Plant in Thailand

May 23, 2011

 

universal expansion joint with 5" thick refractory lining

universal expansion joint with 5" thick refractory lining

This universal expansion joint is designed with 5″ thick refractory-lining for a 52″ pipe in a Styrene Plant in Thailand. It measures 154″ long and is fabricated with ASTMA 304H stainless steel pipe ends and Incoloy 800H bellows. The expansion joint is designed for a lateral movement of 6.982″ with a design pressure of 30 psig at 1085°F. The bellows and pipe longitudinal seams and the pipe circumferential welds were x-rayed. All welds were also dye penetrant examined. A pneumatic test between the plies at 15 psig and the complete expansion joint at 45 psig was performed. The carbon steel surfaces were coated with a special three-coat paint system after testing and prior to shipment.

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