Thick Wall Expansion Joint — The Expansion Joints Blog

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Duct Work and Expansion Joint Assembly Custom Designed by U.S. Bellows for an Oil Refinery in California

August 11th, 2013 Comments off

Duct Work and Expansion Joint Assembly Custom Designed by U.S. Bellows for an Oil Refinery in California

This duct work and expansion joint assembly was custom designed by U.S. Bellows for an oil refinery in California. The project consists of 36″ x 48″ 304 stainless steel oval shaped duct work with a thick wall expansion joint and 30″ x 16″ carbon steel round shaped duct work. It is designed for 900°F at 13.2 psig, and the entire assembly was dye penetrant examined and 100% x-rayed prior to shipment.

Custom Thick Wall Flanged and Flued Head Expansion Joints for Heat Exchangers in California

June 11th, 2012 Comments off

Custom Thick Wall Flanged and Flued Head Expansion Joints for Heat Exchangers in California

Various sizes of thick wall flanged and flued head expansion joints were custom designed for heat exchangers in California. Two are 30″ in diameter and two are 18″ in diameter. They were designed for 1″ axial extension and 14 psig at 300°F. All four expansion joints were fabricated from ASTM A-516 Gr. 70 carbon steel material. A dye penetrant exam was conducted prior to shipping.

Thick-wall Expansion Joints for Large Diameter Piping Systems

July 5th, 2011 Comments off

Thick-wall expansion joints may be a cost-effective option for large-diameter piping systems which operate at low pressure. Metals can be selected to satisfy different temperature conditions. The distribution of axial, angular, and lateral forces will be much higher when thick-wall expansion joints are used. We can provide your design engineers with the calculated forces and movements for proper design of the structural members supporting the system. These joints have a long life which justifies the initial investment.

72 Inch Tied Universal Thick-wall Expansion Joint with 316 Stainless Steel Bellows for a Sulfuric Acid Plant

72 Inch Tied Universal Thick-wall Expansion Joint with 316 Stainless Steel Bellows for a Sulfuric Acid Plant

 

 

90 Inch Universal Flanged and Flued Head Expansion Joint and Duct Work Assembly

90 Inch Universal Flanged and Flued Head Expansion Joint and Duct Work Assembly

Thick-wall expansion joints are used primarily in heat exchangers and large diameter piping systems where thin-wall expansion joints would not be sufficient. The bellows are typically fabricated from A516 Grade 70 material, with the thickness ranging from 3/16″ to 1″. Other materials are available to meet different temperature requirements.

 

108 Inch Diameter Thick Wall Expansion Joint with 2 Convolutions

108 Inch Diameter Thick Wall Expansion Joint with 2 Convolutions

 

Thick-wall Flanged and Flued Head Expansion Joints

Thick-wall Flanged and Flued Head Expansion Joints

Thick Wall Expansion Joint

October 10th, 1994 Comments off
Thick Wall Expansion Joint

Thick Wall Expansion Joint

The photograph above shows thick wall expansion joints fabricated by Piping Technology & Products, Inc. Thick wall joints are cost effective for large diameter piping systems which operate at low pressures. Metals can be selected to satisfy different temperature conditions and combinations of axial, angular and lateral forces.

72″ Diameter Thick-Wall Expansion Joint

May 20th, 1994 Comments off
72" Diameter Thick Wall Expansion Joint

72" Diameter Thick Wall Expansion Joint

The 72” diameter thick wall expansion joint pictured above is for SO2 service. It has 8 3/16” thick, 10 1/2” high 304H bellows to allow 4” of axial compression and 2 1/2″ of lateral deflection. These thick wall joints are designed with indefinite cycle life.

Thick Wall Expansion joint for Large Diameter Piping System

October 27th, 1993 Comments off
Thick Wall Expansion joint for Large Diameter Piping System

Thick Wall Expansion joint for Large Diameter Piping System

The photograph above shows thick wall expansion joints fabricated by Piping Technology & Products, Inc. Thick wall joints are cost effective for large diameter piping systems which operate at low pressures. Metals can be selected to satisfy different temperature conditions and combinations of axial, angular and lateral forces. Piping Technology is a major supplier of pipe supports, expansion joints and related items required for large piping systems.

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