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Where Fabric Expansion Joints are Typically Used in a Fossil Fired Power Plant

March 2nd, 2012 Comments off

See an example of how fabric expansion joints are being used with ducting. The figure below represents a typical balanced draft system with a “cold” precipitator. The black components represent the locations of fabric expansion joints throughout the system.

Expansion Joints in a Typical Blanced Draft System with a Cold Precipitator

**The examples above are representative and should not be used for design. The user should obtain actual values for the particular system being considered

The main sections of the ducting are as follows:

  • FD Fan to Air Preheater
  • Air Preheater to Boiler
  • Air Preheater to Pulverizer
  • Air Preheater to Inlet from Boiler
  • Air Preheater to Precipitator or Bag house
  • Precipitator or Bag house to ID Fan
  • ID Fan to Scrubber
  • Scrubber to Stack

 

Happy Holidays from the Expansion Joint Team

December 19th, 2011 Comments off

Happy Holidays from the Expansion Joint Team…

U.S. Bellows, Inc. is comprised of an accomplished team of expansion joint specialists, including engineers, quality control specialists, and experienced shop fabrication personnel that are ready to serve your expansion joint needs. Our staff, as a whole, represents a combined experience of over 600 years.

Our manufacturing team, engineers, and field service team work together to provide optimum solutions for expansion and contraction in your piping system. With two shifts of employees in our manufacturing facility, we are working around the clock to ensure that your expansion joints are efficiently fabricated to your specific design requirements and delivered within the time frame you have requested.

Below are a few members of our dedicated team who are committed to providing quality service for each and every one of our valued customers:

The U.S. Bellows Team

Meet more of the U.S. Bellows team.

Why choose U.S. Bellows for all your expansion joint needs?

December 5th, 2011 Comments off

Why choose U.S. Bellows for all your expansion joint needs?

Engineering & Design
- Per EJMA Standards (Proud member since 2002 with representation on both the technical and management committees)
- Per Latest Revisions of the ASME B31.1, B31.3 and Section 8, Division 1
- ASME U-Stamp, R-Stamp and NS Certified, ISO 9001:2008 Certified
- Full In-house Design Software and Finite Element Analysis Capabilities
- 24-hour Emergency Service and Field Services Available

Manufacturing Capabilities & Facility
- Roll bellows from 2″ to 138″ in diameter and .010″ to .500″ wall thickness
- Stock bellows and material on-site
- 5x the Resources with subsidiaries, PT&P, SWECO Fab., Pipe Shields and Fronek Anchor/Darling
- More than 450,000 sq. ft. of covered shop space and 35 acre property
- Located near the ship channel (one of the largest ports in the U.S. and in the world)

Quality Control & Assurance
- QA/QC Approval: UOP and GE / Stewart and Stevenson
- Manufacturing Qualifications: ASME Section IX, AWS D1.1 and MIL-STD-248
- SASOL QA Plan: 100% X-ray, 100% Dye Pen., Hydro-test, Pneumatic Test and PMI
- Product Testing: Helium Leak Testing, Fatigue Testing, Burst Testing, Ultrasonic and Radiography Testing

Continuous Improvement
- In-House Training: Welding School, JQ/QC Training Courses, Expansion Joint Application Classes and Fabrication Classes
- Four meetings a week and constant communication amongst engineering, manufacturing and management teams
- Continuing to expand facility and add new members to the U.S. Bellows team

Panoramic View of U.S. Bellows Manufacturing Facility
Panoramic View of U.S. Bellows Manufacturing Facility

Referencing Your Expansion Joint Model Number

November 21st, 2011 Comments off

EJ-model-number-example

Do you know how to specify a U.S. Bellows expansion Joint?

Use our model number key to find out the:

- diameter
- overall length
- expansion joint type
- expansion joint material
- design pressure
- flange/weld ends material
- liner material
- cover material
- tie-rods material

This expansion joint is 10" diameter, 15" overall length, universal type (meaning two bellows), 321 SS (stainless steel) bellows, 150 psig, 321 SS flange and weld ends, 321 SS liner, carbon steel cover and 304 SS tie rods.

Need assistance? Write us at news@usbellows.com or call us toll-free at 1-800-787-5914

New Equivalency Charts Online

November 14th, 2011 Comments off

We’ve added equivalency charts to our website so that you can easily find an ideal U.S. Bellows replacement for a similar expansion joint in your piping system. So far, the following charts are now live:

- Hyspan to U.S. Bellows Equivalency Chart
- Pathway to U.S. Bellows Equivalency Chart
- KE-Burgmann to U.S. Bellows Equivalency Chart

Looking for a product code not listed? Write us at news@usbellows.com or call us toll-free at 1-800-787-5914

Preview of the Hyspan to U.S. Bellows Equivalency Chart:

New Equivalency Charts Online

New Expansion Joint Selection Chart

March 21st, 2011 Comments off

TheĀ Expansion Joint Selection Chart is a great tool for saving time when trying to narrow down your many options. Simply scan the chart for the movement your application requires, then read the description for further details on deflections, pressure thrust forces, etc.

Expansion Joint Selection Chart

Expansion Joint Selection Chart

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Contact Us: +1 (281) 241-9418 Toll Free: (855) 591-0906 Fax: +1 (713) 731-8640 sales@usbellows.com
Our Parent Company: Piping Technology Pipe Supports, Pipe Clamps, Pipe Hardware & Insulated Pipe Shoes
Fellow Subsidiaries: Sweco Fab: ASME Vessels, Pig Launchers, Duct Work, Strainers & Spectacle Blinds
 Pipe Shields: Pre-Insulated Pipe Supports, Slides, Guides & Anchors

Fronek Anchor/Darling
: Snubbers, Sway Struts & Sway Braces


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