clamshell bellows — The Expansion Joints Blog

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Over 1500 Stock Bellows for Your Quick-Turn/Emergency Requirements

June 18th, 2012 Comments off

We have an inventory of stock bellows for your quick-turn/emergency requirements. Contact us now if you need a replacement expansion joint. We can run it through our expedited manufacturing line using a prefabbed bellows and get it to you within 1-2 days in some cases.

Stock Bellows
Using our inventory, we can quickly assemble and ship a variety of expansion joints including single, single tied, universal, elbow pressure balanced and in-line pressure balanced expansion joints. Stock bellows are available from 2″ to 24″ diameter and in three pressure values: 85 psig, 150 psig and 300 psig.

Emergency Shutdown: Replacement of a Metallic Universal Expansion Joint for a Chemical Plant in Wisconsin

Replacement of a Metallic Universal Expansion Joint for a Chemical Plant in Wisconsin Replacement of a Metallic Universal Expansion Joint for a Chemical Plant in Wisconsin

One of U.S. Bellows’ customer’s existing expansion joint failed and caused a plant shut down. They required an immediate replacement joint. This universal expansion joint order was placed, designed and fabricated in just one day. The order came in at 8:30 am on Saturday, Labor Day weekend and was shipped at 4:00 pm, which minimized the time of the plant shut down. This universal expansion joint is 96″ in overall length, 20″ inside diameter and can absorb 3.25″ lateral movement. A 100% dye-penetration test and a hydro-test were performed to ensure quality.

Three Day Emergency: 40″ Clam Shell Expansion Joint Fabricated for a Chemical Plant in Texas

40" Clam Shell Expansion Joint Fabricated for a Chemical Plant in Texas 40" Clam Shell Expansion Joint Fabricated for a Chemical Plant in Texas

Within a three day span, U.S. Bellows, Inc., fabricated a 40″ I.D., single coded, clam shell expansion joint for a chemical plant in Beaumont, Texas. The chemical company utilized U.S. Bellows’ 24 x 7 Quick Turn/Emergency service. After the representative from the chemical plant completed the online form, the U.S Bellows’ on-call team was immediately paged. Three days later the bellows had been successfully fabricated, welded to an A516-70 heat exchanger shell and shipped to the chemical plant to resume operation. The bellows was fabricated from A240 tp 321 SS and designed at 50 PSIG and 750°F. In order to detect any leaks in the weld, the bellow’s long seam weld was 100% x-rayed and its attachment weld was 100% dye-penetrant.

Clamshell Bellows for a Shell and Tube Heat Exchanger

August 9th, 2002 Comments off
Clam Shell Bellows for a Shell and Tube Heat Exchanger

Clam Shell Bellows for a Shell and Tube Heat Exchanger

U.S. Bellows, Inc fabricated and installed a clam shell bellows for a shell and tube heat exchanger. The clam shell bellows is designed and fabricated per ASME VIII Div. 1 appendix 26. It has a 14″ diameter and was designed at 150ºF and 150 psig. In order to detect any leaks, prior to and following forming, the heat exchanger and its welds were subjected to a series of tests such as the dye penetrant test (100%), X-ray test (100%) and air test.

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