Universal Expansion Joints — The Expansion Joints Blog

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36″ and 18″ Dia. Universal Expansion Joints Designed for an Oil Refinery in the Philippines

March 2nd, 2014 Comments off

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

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

62″ Fabric, 42″ Hinged and 42″ Tied Universal Expansion Joints and Duct Work Designed for an Acid Plant

July 13th, 2013 Comments off

62" Fabric, 42" Hinged and 42" Tied Universal Expansion Joints and Duct Work Designed for an Acid Plant

62" Fabric, 42" Hinged and 42" Tied Universal Expansion Joints and Duct Work Designed for an Acid Plant

U.S. Bellows custom designed two 42″ tied universal expansion joints, a 42″ hinged expansion joint and a 62″ fabric expansion joint in ductwork for an acid plant in Louisiana. The assemblies had flanged and flued head bellows fabricated from 304H stainless steel. The rest of the assemblies were made from carbon steel with operating temperatures of 700°F at 10 psig. The expansion joints were dye penetrant and x-ray tested prior to shipment.

Universal Expansion Joints Designed for a Bioenergy Plant

March 2nd, 2013 Comments off

Universal Expansion Joints Designed for Bioenergy

These universal metallic expansion joints were custom designed for a pipe line in a bioengergy plant. They range from 20″ to 30″ in diameter, and are designed for 2″ lateral movement with a 1,362 lb/in. spring rate. The expansion joints are fabricated entirely from 304 stainless steel and designed for 250°F and 30 psig. Each unit was 100% dye penetrant examined and air tested prior to shipment.

118″ Universal Expansion Joint for Steam Service

August 20th, 2012 Comments off

118" Universal Expansion Joint for Steam Service

This 118″ diameter tied universal expansion joint was designed for steam service in a power plant in Alaska. The expansion joint duct, tie rods and cover are fabricated from carbon steel with 304 stainless steel bellows and liner. The overall length is 225″. It was designed for 250°F at 7.25 PSIG and 3.52″ of lateral movement. Dye-penetrant testing, spot x-ray and an air and soap test were performed on the universal expansion joint assembly prior to shipping.

Tied Universal EJ with Control Rods for an Oil Recovery Project

July 9th, 2012 Comments off

Tied Universal EJ with Control Rods for an Oil Recovery Project

This tied universal expansion joint with control rods was designed for an oil recovery plant in Canada. It is 48″ in diameter and 68″ in overall length. This expansion joint was designed for 1″ compression, 4″ lateral and 15 psig at 150°F. The pipe was fabricated from A-36 carbon steel material and the bellows were fabricated from 316L stainless steel. A dye penetrant exam, air and soap test, along with a vacuum test was conducted prior to shipping.

Universal Tied Expansion Joint, 48″ Dia. and 141″ OAL, for Service in an Acid Regeneration Plant

May 7th, 2012 Comments off

Universal Tied Expansion Joint, 48" Dia. and 141" OAL, for Service in an Acid Regeneration Plant

A tied universal expansion joint was custom designed for service in an acid regeneration plant in Louisiana. It is 48″ in diameter, 141″ in overall length and designed for 1″ axial movement, 2-1/2″ lateral movement and .33° angular rotation. The expansion joint is fabricated with 310 stainless steel bellows, and 301 SS liner, duct, flanges, transition duct and covers. It was designed for 10 psig at 1150°F, and was dye penetrant examined, hydro-tested at 15 psig, and the bellows and pipe longitudinal weld seams were 100% x-rayed.

42″ Dia. Stainless Steel Expansion Joints for an Offshore Application

April 9th, 2012 Comments off

42" Dia. Stainless Steel Expansion Joints for an Offshore Application

These universal metallic expansion joints were custom designed for an offshore application. They are 42″ diameter, 24″ overall length and designed for 2″ axial movement and 1-1/2″ lateral movement. The expansion joints are fabricated entirely from 316 L stainless steel and designed for 1,000°F and 1 psig. Each unit was 100% dye penetrant examined and soap and air tested prior to shipment.

12″ Dia. Universal Expansion Joints with Stainless Steel Bellows

March 26th, 2012 Comments off

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.

Tied Universal Expansion Joints Designed for a Power Generation Plant in Texas

August 22nd, 2011 Comments off

Tied Universal Expansion Joints

This week’s feature is on tied universal expansion joints designed for piping in a power generation plant in Texas. They are 6″ in diameter, 60″ in length, and will be used in a hot air application. The pipe, lugs and weld ends are fabricated from carbon steel, and the bellows are 321 stainless steel. The expansion joints are designed for 100°F at 3 psig and are capable of 6″ lateral movement. Each unit was 100% dye penetrant tested and soap and air tested prior to shipment.

Hinged Universal Expansion Joint and Duct Work Assembly Custom Designed for an Exhaust Duct Application

July 25th, 2011 Comments off

Custom Universal Expansion Joint and Duct Work Assembly

 

This week’s featured product is on a hinged universal expansion joint and duct work assembly custom designed for an exhaust duct application in a power plant in Kenya. The hinge hardware was fabricated from carbon steel, while the rest of the unit was fabricated from 316 stainless steel with Inconel 625 bellows. An F-type variable spring was also provided for this project and will be used to support the center spool between the two elbows. The duct work with expansion joint is 36″ in diameter and the distance between the centerline of the two 90 degree elbows is 240″. It is designed for 20 psig at 115°F and 1/2 degree of angular movement. The entire assembly was 100% dye penetrant tested and a soap and air test was performed prior to shipment.

Custom Universal Expansion Joint and Duct Work Assembly F Type Variable Spring

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