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Air Duct Fabric Expansion Joint for a Power Plant
December 1, 2009

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This air duct fabric expansion joint has a unique design that allows for lateral movement of 2″ in any direction. It will be used in an air duct system as a transition piece between the air blower and the air duct. This expansion joint is fabricated with Alpha 827 fabric cloth and A36 carbon steel flanges and has a design temperature of 300&def;F at .1 PSIG. The top flange measures 68-5/8″ L x 57-5/8″ W, and the bottom flange measures 53-5/8″ L x 64-5/8″ W.

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44″ Double Gimbal Universal Expansion Joint, Duct, Elbow, and Reducer
November 24, 2009

44″ Double Gimbal Universal Expansion Joint

This gimbal expansion joint is designed for angular rotation in two planes of up to 4° in each plane. It has an overall length of 140″ with a total assembly weight of 11,000 lb. It is fabricated with 316 stainless steel bellows and carbon steel piping. This expansion joint was 100% dye-penetrant examined and hydro-tested prior to shipment. U.S. Bellows, Inc. and Piping Technology & Products, Inc. also furnished the spring supports and pipe attachments for this project

44″ Double Gimbal Universal Expansion Joint

 

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U.S. Bellows, Inc., a Division of Piping Technology & Products, Inc., Designed and Fabricated a 24″ Universal Hinged Expansion Joint.
May 27, 2009

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This universal hinged expansion joint includes elbows on both ends for an overall length of 125 5/8″. It is designed with Inconel® 625 bellows, a 304 stainless steel liner, and carbon steel 150 lb. flanges. The hinges allow for up to 5° of angular movement. The longitudinal weld seams were 100% dye-penetrant examined prior to being formed. The expansion joint was hydro-tested at 188 PSIG.

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20″ Tied Universal Expansion Joint
February 11, 2009

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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.pic1

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Rectangular Metal Bellows with Round Corners
November 26, 2008
U.S. Bellows, Inc. Designed and Fabricated Rectangular Metal Bellows with Round Corners

These rectangular metal bellows are fabricated entirely from ASTM A-240 type 304 stainless steel. The larger bellows measures 240″ x 80″. The smaller bellows measures 157″ x 65″. The design conditions were 1 PSIG at 1,000°F. Both metal bellows are designed with three convolutions with round corners. The metal bellows welds were 100% dye-penetrant examined and soap and air tested prior to shipment. These bellows are designed to be installed at the ductwork connection to a large steam boiler.

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U.S. Bellows, Inc. Refurbished this Single 4″ Diameter Expansion Joint in One Day
October 29, 2008
Refurbished Single 4" Diameter Expansion Joint in One Day Refurbished Single 4" Diameter Expansion Joint in One Day

U.S. Bellows, Inc. received this single expansion joint in the morning, refurbished it, and shipped it to the customer the very same day. The expansion joint bellows, liner, and cover were replaced. The carbon steel parts were sand blasted, cleaned and painted. The expansion joint was 4″ I.D. x 16 3/4″ face-to-face. The design conditions of the expansion joint were 345 PSI at 500°F. The expansion joint was 100% dye-penetrant examined and hydro-tested to 518 PSIG prior to being shipped back to a local area refinery.

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U.S. Bellows, Inc. Designed and Fabricated an 84″ Long Rectangular Metallic Expansion Joint
July 16, 2008
U.S. Bellows, Inc. Designed and Fabricated an 84" Long Rectangular Metallic Expansion Joint

This rectangular metallic expansion joint measures 22″ x 84″ x 11″ face-to-face and is fabricated from 316 stainless steel bellows and carbon steel flanges. This expansion joint is designed to absorb axial compression in a hot air duct system to a fan inlet. The bellows have three convolutions with mitered corners. The expansion joint was 100% dye-penetrant examined and soap and air tested prior to being shipped to a power plant.

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Fourteen Externally Pressurized Expansion Joints
June 12, 2008

U.S. Bellows Inc., Designed and Fabricated Fourteen Externally Pressurized Expansion Joints
U.S. Bellows Inc., Designed and Fabricated Fourteen Externally Pressurized Expansion Joints These externally pressurized expansion joints were designed in various sizes for NASA. The diameter ranges from 4″ to 10″ and the overall length ranges from 21″ to 42″. The expansion joint assemblies were fabricated with 304 stainless steel bellows and 300 lb. carbon steel flanges. The design conditions were 200 PSIG at 500°F. Externally pressurized joints are unique in that they can absorb large amounts of axial travel.
They also incorporate internal guide rings that serve as limit stops in case of anchor failure. The expansion joints were 100% dye-penetrant examined and hydro-tested prior to shipment.
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59″ Neoprene Expansion Joint
May 21, 2008
U.S. Bellows, Inc., a Division of PT&P Designed and Fabricated a 59" Neoprene Expansion Joint
This neoprene expansion joint measures 59″ x 7″ and is designed to be used in an air exhaust system.
U.S. Bellows, Inc., a Division of PT&P Designed and Fabricated a 59" Neoprene Expansion Joint
The flanges are fabricated from painted carbon steel angle flanges. The neoprene is fastened to the carbon steel angle flanges by stainless steel clamp rings. The expansion joint absorbs the vibration between the duct work and blower exhaust flange.
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Fabricated Rectangular Fabric Expansion Joints
April 17, 2008

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This fabric expansion joints‘ frame and liner are fabricated from 304 stainless steel. The three-layer fabric belt consists of an inner layer of silica cloth, a middle layer of mineral wool, and an outer layer of PTFE/coated fiberglass. The dye-penetrant examination was performed on all welds of the expansion joint’s frame prior to shipping.

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44″ Fabric Expansion Joints for a Petrochemical Plant in Malaysia
April 9, 2008

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U.S. Bellows, Inc. designed and fabricated 44″ fabric expansion joints for a petrochemical plant in Malaysia. The expansion joints measure 44″ ID x 40″ face to face and are fabricated from stainless steel pipe and flanges and a three layer fabric belt protected by an insulation pillow. The design conditions were 3 PSIG at 845°F. The expansion joints are designed for a lateral movement of 1/2″ and an angular rotation of 1.5°. Stainless steel covers were included to protect the fabric expansion element from possible outside damage.

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36″ Tied Universal Expansion Joint
March 19, 2008

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 Iconel® 800 bellows. The design pressure of the expansion joint is 65 PSIG, and the design temperature is 1076°F. 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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Same Day Turnaround Service Refurbishing 8″ Single Expansion Joint for Emergency Shutdown
January 30, 2008

U.S. Bellows, Inc., Provided a Same Day Turn Around Service by Refurbishing an 8" a Single Expansion Joint for an Emergency Shutdown

U.S. Bellows, Inc., Provided a Same Day Turn Around Service by Refurbishing an 8" a Single Expansion Joint for an Emergency Shutdown

U.S. Bellows, Inc. received this single expansion joint in the morning, refurbished it by adding new bellows and limit rods, and then shipped it the very same day. The existing expansion joint had 321 stainless steel bellows with 1,500 lb. flange on one side and 150 lb. flange on the other side. U.S. Bellows, Inc. manufactured new 321 stainless steel bellows and reused the existing flanges by sandblasting and then painting them for protection. Same day delivery enabled the customer to resume operations with minimum loss of time and production

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30″ Spent Catalyst Standpipe Metallic Expansion Joint with Pantographic Linkage
January 9, 2008

U.S. Bellows, Inc. Designed and Fabricated a 30" Spent Catalyst Standpipe Metallic Expansion Joint with Pentographic Linkage

U.S. Bellows, Inc. fabricated this 30″ spent standpipe catalyst metallic expansion joint for a refinery in Montana. The overall installed length of the expansion joint is 89″. The design pressure was 19 PSIG and the design temperature was 1050°F. The expansion joint is fabricated entirely from 321 stainless steel, except for the carbon steel flanges to match the existing nozzle material and drilling. The assembly is lined with abrasion-resistant refractory which prevents erosion of the 321 stainless steel piping. The pantographic linkage, shown in the photo, is designed to distribute the axial compression between the two bellows and support the weight of the center pipe between the bellows.

This expansion joint was pneumatically tested to 55 PSIG. Positive Material Identification was performed on all alloy materials. All of the longitudinal welds were 100% x-ray tested

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12″ and 24″ Single Tied Expansion Joints
December 26, 2007

12" and 24" Single Tied Expansion Joints
12" and 24" Single Tied Expansion Joints

U.S. Bellows, Inc. designed and fabricated single tied expansion joints for a pipeline in Alaska. The 12″ diameter expansion joints had an overall length of 12″ and the 24″ diameter expansion joint had an overall length of 14-1/2″.

The expansion joint assemblies are fabricated entirely from stainless steel. The design pressure of the expansion joints was 50 PSIG. They are designed with tie rods that do not permit axial movement, but allow for lateral movement up to 1/2″. The expansion joints will be used on a process line that contains exhaust gas and hydrocarbon vapor at a low concentration. It will connect an oil tank with a vapor control system. The expansion joints were 100% dye-penetrant tested and hydro-tested to ensure quality control.

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Responded to Local Emergency by Refurbishing 36″ Rectangular Metal Expansion Joint
December 5, 2007
U.S. Bellows, Inc. Responded to a Local Emergency by Refurbishing a 36" Rectangular Metal Expansion Joint

U.S. Bellows, Inc. refurbished a rectangular metal expansion joint on an emergency basis for a local chemical plant. Upon arrival, the expansion joint was acid washed and dye-penetrant examined for any cracks in the metal. The expansion joint bellows were then repaired, retested and sent back to the customer in a matter of two days. The expansion joint measures 21″ x 26″ x 36-3/8″. The bellows are fabricated from Inconel® 625 LCF material. The rest of the assembly is fabricated from Inconel® 600 material. The design temperature is 660°F and the design pressure is 20 PSIG. The expansion joint was soap-air bubble tested and dye-penetrant examined before being returned.

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50 Universal Expansion Joints for an Air Force Base in New Mexico
November 14, 2007

50 Universal Expansion Joints for an Air Force Base in New Mexico
U.S. Bellows, Inc. fabricated 50 expansion joints from 304L stainless steel. The expansion joints were 6″ and 8″ sizes. The 6″ expansion joints are 24″ face-to-face and the 8″ expansion joints are 26″ face-to-face. All of the expansion joints are fabricated with liners that are also made with 304L stainless steel. The design temperature was 200°F and the design pressure was 200 PSIG. The expansion joints were dye-penetrant tested and hydro-tested at 300 PSIG. U.S. Bellows, Inc. provides 100% customer satisfaction in terms of quality and delivery.

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10″-16″ Tied Universal Expansion Joints for a Nitrogen Plant in Arizona
October 24, 2007
92353b1 U.S. Bellows, Inc. designed and fabricated tied universal expansion joints with stainless steel flanges. All of the expansion joints were dye-penetrant examined and hydro-tested to ensure product quality.

14″ Expansion Joint:

  • 321 Stainless Steel Bellows
  • 304L Stainless Steel Pipe
  • 14″ NPS x 168″ OAL

 
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12″ Expansion Joint:

  •  321 Stainless Steel Bellows
  •  304L Stainless Steel Pipe
  • 12″ NPS x 90″ OAL
 10″ Expansion Joint:

  • 347 Stainless Steel Bellows
  • 316H Stainless Steel Pipe
  • 10″ NPS x 74-5/8″ OAL
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16″ Expansion Joint:

  • 321 Stainless Steel Bellows
  • 304L Stainless Steel Pipe
  • 16″ NPS x 126″ OAL
 10″ Expansion Joint:

  •  321 Stainless Steel Bellows
  • 304L Stainless Steel Pipe
  • 10″ NPS x 140-3/8″ OAL
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32″ Universal Expansion Joints for an Epoxy Resin Plant
October 3, 2007

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U.S. Bellows, Inc. designed and fabricated a 32″ universal expansion joint and 3″ single expansion joints to be utilized in a new epoxy resin plant in Saudi Arabia. The expansion joints are fabricated with stainless steel bellows and carbon and stainless steel flanges. The 32″ expansion joint has a design temperature of 482°F with a design pressure of 15 PSIG. The 3″ single expansion joints have a design temperature of 400°F with a design pressure of 370 PSIG.

The flanges on the 32″ universal expansion joint were custom fabricated to the customer’s special design requirements. One end of the 32″ expansion joint has a stainless steel custom machined flange with a grooved facing. The other end has a carbon steel lap joint flange. Each expansion joint was 100% dye-penetrant tested as well as hydro-tested.

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