Tied Universal Expansion Joint — The Expansion Joints Blog

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Tied Universal Expansion Joints Designed for a Vapor Line Used for Rail Car Loading

January 19th, 2014 Comments off

Tied Universal Expansion Joints Designed for a Vapor Line Used for Rail Car Loading

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.

2″-18″ Dia. Custom Tied Universal Expansion Joints Designed for a Chemical Plant

March 31st, 2013 Comments off

2"-18" Dia. Custom Tied Universal Expansion Joints Designed for a Chemical Plant

U.S. Bellows custom designed tied universal expansion joints with 304 stainless steel bellows from 2″ to 18″ diameter for a chemical plant in Texas. The expansion joints are designed for 3″ lateral movement at 122°F and 100 psig. The expansion joints were hydro-tested at 150 psig and delivered in six weeks.

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.

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.

48″ Tied Universal Expansion Joint with Two-ply Bellows for an Oil Refinery in Louisiana

March 7th, 2011 Comments off

48" Tied Universal Expansion Joint with Two-ply Bellows for an Oil Refinery in Louisiana

This tied universal expansion joint will be installed in an oil refinery in Louisiana. The assembly is 48″ in diameter and 150″ long. The bellows are fabricated from two plies of Inconel 625 LCF with stainless steel mesh between the plies and the weld ends and all hardware are A 516 GR 70 carbon steel. The design temperature is 500°F at 38 PSIG with 5″ lateral movement. The bellows were 100% x-rayed and hydro-tested to 76 PSIG. A pneumatic test between the plies at 15 PSIG was performed prior to shipping.

Tied Universal Expansion Joint with a 45 Degree Mitered Elbow for a Flue Gas System in an Oil Refinery

January 10th, 2011 Comments off

Tied Universal Expansion Joint with a 45 Degree Mitered Elbow

This tied universal expansion joint with a 45 degree mitered elbow will be installed in a flue gas system. The assembly is 60″ in diameter and 215″ long. The pipe is fabricated from A 516 GR 70 carbon steel and the bellows are Inconel® 625 LCF. The bellows were 100% x-rayed and hydro-tested to 15 PSIG prior to shipping.

66" Diameter Tied Universal Expansion Joint for Pipe Carrying Sulfur Dioxide of Temperatures up to 1022ºF

November 22nd, 2010 Comments off

66" Diameter Tied Universal Expansion Joint for Pipe Carrying Sulfur Dioxide of Temperatures up to 1022ºF

This tied universal expansion joint is designed to carry hot gas up to temperatures of 1022ºF and pressure up to 5 PSIG. It has a 66″ inside diameter and is 126″ in overall length. The design movements are 3″ lateral and 4.5″ axial compression. The bellows material is Inconel® 825 with 316 L SS flow liners, carbon steel weld ends and limit rods. The bellows and pipe longitudinal weld seams were 100% water clear x-rayed and dye-penetrant tested prior to a 5 PSIG air test. All exterier surface of carbon steel pipes are high heat aluminum painted.

20″ Diameter Tied Universal Expansion Joint

February 11th, 2009 Comments off
20" Diameter Tied Universal Expansion Joint

20" Diameter Tied Universal Expansion Joint

20" Diameter Tied Universal Expansion Joint

20" Diameter Tied Universal Expansion Joint

This tied universal expansion joint is fabricated from carbon steel pipe, tie rods and covers, and 304 stainless steel bellows and liners. The overall length of the expansion joint is 72″. The application of this expansion joint is to provide for large lateral movement in a propane dehydrogeneration plant. The expansion joint welds were 100% dye-penetrant examined and hydro-tested prior to shipment.

15' Tied Universal Expansion Joint with Slotted Hinges for a Refinery Unit

April 30th, 2008 Comments off
15' Tied Universal Expansion Joint with Slotted Hinges for a Refinery Unit

15' Tied Universal Expansion Joint with Slotted Hinges for a Refinery Unit

This tied universal expansion joint is 18 inches in diameter and 15′ in overall length. The expansion joint is fabricated with an Inconel® 800 bellows, 316H stainless steel pipe and 304H stainless steel tie rods and slotted hinges. The design pressure is 65 PSIG at 1076ºF. A hydro-test at 127 PSIG was performed as well as dye-penetrant testing to ensure product quality.

36" Tied Universal Expansion Joint for a Petrochemical Plant

March 12th, 2008 Comments off
36" Tied Universal Expansion Joint for a Petrochemical Plant

36" Tied Universal Expansion Joint for a Petrochemical Plant

36" Tied Universal Expansion Joint for a Petrochemical Plant

36" Tied Universal Expansion Joint for a Petrochemical Plant

U.S. Bellows Inc. designed and fabricated a 36″ tied universal expansion joint for a petrochemical plant in Kuwait. The expansion joint measures 36″ in diameter x 318″ from center of elbow to face of flange. It is fabricated from 316H stainless steel with Inconel® 800 bellows. The design pressure of the expansion joint is 65 PSIG, and the design temperature is 1076ºF. It is designed for axial compression within the tie rods and lateral movement of 3.02″. Hydro-testing was performed at 98 PSIG to assure the integrity of the tie rods and also to assure quality. The pictures show the expansion joint leaving the shop on its way to the customer. The stainless steel flange faces are protected with 3/4″ plywood during delivery.

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