The Expansion Joints Blog

Expansion Joints In-Depth Webinar (Online Technical Presentation)

March 6th, 2014 Comments off
Register for 10:00 am CST on Thursday, March 20, 2014

* Live Webinars are approved for 1 PDH credit for TX P.E.’s

Register for the New U.S. Bellows Expansion Joints In-depth WebinarGet to know U.S. Bellows from introducing our team and manufacturing capabilities to exploring design details in technical drawings for large-scale projects. View case studies that lead to the creation of new standards and designs. Learn about cost saving measures for expansion joint failures and how to prevent future problems.

U.S. Bellows, Inc., a division of PT&P, has more than 50 years of experience designing and manufacturing expansion joints, along with replacement and repair services.

 

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.

11′ Fabric Expansion Joints Designed for a Gas Turbine Exhaust

February 14th, 2014 Comments off

11' Fabric Expansion Joints Designed for a Gas Turbine Exhaust

U.S. Bellows, Inc. fabricated four fabric expansion joints for a gas turbine exhaust. They are 136″ L x 54″ W 12″ face-to-face. The frame and liner are fabricated from stainless steel and the fabric belt is 1-ply PTFE. The expansion joints are designed for 400°F at +/- 100″ water column. A dye penetrant examination was preformed prior to shipment.

U.S. Bellows 101: The Basics of Expansion Joints Webinar

February 6th, 2014 Comments off

Sign up for 10:00 am CST on February 20, 2014

This webinar is over, view the recording at http://info.usbellows.com/instantly-access-webinar-archives/

* Live Webinars are approved for 1 PDH credit for TX P.E.’s

Join the Expansion Joints Basics Webinar

Listen to in-depth explanations on how to choose the type of expansion joint that will best suit your system. Learn about the bellows movements throughout the piping system due to thermal changes of mechanical motion. Increase your understanding of the different types of expansion joints and value-added services offered by U.S. Bellows.

U.S. Bellows, Inc., a division of PT&P, has more than 50 years of experience designing and manufacturing expansion joints, along with replacement and repair services.

 

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78″ Dia. Single Expansion Joints Designed for an Internal Reactor

February 2nd, 2014 Comments off

78" Dia. Single Expansion Joints Designed for an Internal Reactor

These single expansion joints are custom designed for an internal reactor in a propylene process unit. They are fabricated with Incoloy 800H bellows and A-240 type 304H stainless steel weld ends. The expansion joints range in diameter from 59-7/15″ to 78-8/8″ and are 41-5/16″ long. They were designed for a lateral movement of 0.25″, axial movement of 2.64″ and 15 psig at 1231°F. PMI, x-ray and dye penetration tests were performed prior to shipment.

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.

Single Hinged Expansion Joints Custom Designed for a Chemical Plant

January 4th, 2014 Comments off

24 Single Hinged Expansion Joints Custom Designed for a Chemical Plant

Twenty-four single hinged expansion joint were custom designed for a chemical plant. Eight are 16″ dia., four are 12″ dia., twelve are 6″ dia., and they range in length from 14″ to 16″. The bellows are fabricated from 304 stainless steel and the rest is carbon steel. The 16″ dia. joints are designed for 2° Angular movement at 300°F and 150 psig. The 12″ dia. joints are designed for 1 deg. Angular movement at 300°F and 400 psig. The 6″ dia. joints are designed for 1° angular movement at 300°F and 650 psig. All expansion joints were dye penetrant examined and hydro-tested prior to shipment.

42″ Dia. Single Expansion Joint Refurbished for a Chemical Plant

December 7th, 2013 Comments off

42" Dia. Single Expansion Joint Refurbished for a Chemical Plant

This 42″ dia. x 13-3/4″ OAL single expansion joint was refurbished for a chemical plant. The bellows were replaced with 304 stainless steel and the flanges were sand blasted and painted. The expansion joint was designed for a spring rate of 4,253 lb./in., 5/8″ axial movement at 222°F and 50 psig. A dye penetrant examination and air soap and bubble test was conducted prior to shipping.

Elbow Pressure Balanced Expansion Joint Designed for a Chemical Processing Plant

November 16th, 2013 Comments off

Elbow Pressure Balanced Expansion Joint Designed for a Chemical Processing Plant

This elbow pressure balanced expansion joint was designed for a chemical processing plant to aid the nitrogen oxide process for compound fertilizers. It is 18″ diameter with a face of weld-end to centerline of elbow length of 83- 3/8″. The body of the assembly, the pipe, covers and tie-rods were fabricated from 304L stainless steel, the bellows and liners from 321 stainless. This unit was designed for 1/2″ compression and 4-1/8″ lateral movement with an operating temperature of 600°F at 125 psig. The assembly was dye penetrant tested and hydro-tested at 190 psig prior to shipment.

Expansion Joints for Beginners Webinar

November 7th, 2013 Comments off

The live webinar is over, but you can view the recording at: http://info.usbellows.com/instantly-access-webinar-archives/

Metallic BellowsThis webinar was created to explain the basic principles of expansion joints in the simplest way possible. The presentation will introduce you to expansion joints and concentrate on metallic and fabric expansion joints. It will explain the various designs, applications and details of each expansion joint using simple terms and a lot of visual aids. The presentation will conclude with general guidelines of the maintenance and ordering process.

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