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Single Expansion Joint for a Chemical Plant in Texas

January 22, 2018

Single Expansion Joint for a Chemical Plant in Texas

Type: Single Expansion Joint
Size: 39″ Dia. | 24″ OAL
Material: 304 Stainless Steel | CS
Design 400°F at 35 psig & 2″ Axial Compression
Testing: 100% Hydro-tested at 57 psig

U.S. Bellows designed this single metallic expansion joint for a chemical plant in Texas. The unit has a 39″ diameter and is 24″ overall length. The bellows were fabricated from 304 stainless steel with carbon steel flanges. It is designed for an operating temperature up to 400°F at 35 psig, with 22″ of axial compression. The expansion joint was hydro-tested at 57 psig prior to shipment.

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Tied Double Elbow Universal Expansion Joints for a Liquid Hydrocarbon Service Application at a Paraxylene Complex

January 8, 2018

Tied Double Elbow Universal Expansion Joints for a Liquid Hydrocarbon Service Application at a Paraxylene Complex

Type: Universal Expansion Joint
Size: 118″ CL-to-CL, 132 3/8″ FTF, & 24″ OD
Material: 304 Stainless Steel/Carbon Steel
Design: 400°F at 310 psig & 1 1/8″ Lateral Movement
Testing: Dye-Penetrant, PMI, X-Ray, and Hydrotested at 465 psig

U.S. Bellows custom designed 2 of these tied double elbow universal expansion joints for a liquid hydrocarbon service application at a paraxylene complex in Saudi Arabia. The bellows were fabricated from 304 stainless steel and the piping and hardware from carbon steel, and has a 3-coat paint system. The unit is 118″ CL-to-CL of the elbow, 132 3/8″ face-to-face, and 24″ OD. They are designed for an operating pressure of 310 psig at 400°F with 1 1/8″ of lateral deflection. The unit was hydro-tested at 465 psi, X-ray tested the bellows long seam and pipe, PMI all alloys, and 100% dye-penetrant exam on all weld prior to shipment

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Custom Universal Hinged Expansion Joint Completed in less than 12 weeks for a Refinery in Texas

December 4, 2017

152767a1

Type: Universal Hinged Expansion Joint
Size: 86″ Height, 234″ Long, & 42″ OD
Material: Inconel 625/Chrome-Moly/Carbon Steel
Design 1025°F at 45 psig, 3/4″ of Axial, & 12.5″ of lateral
Testing: 100% Radiographic Examined, Pneumatic Tested at 61 psi, Leak Tested at 51 psig, & Dye-Penetrant

U.S. Bellows custom fabricated this universal hinged expansion joint with oversized bellows, movement indicators, and test ports, in less than 12 weeks for a refinery turnaround in Texas. The unit is 86″ in height, 234″ long, and has a 42″ OD. The bellows were fabricated from Inconel 625, the piping from chrome-moly, the hinge hardware from carbon steel, and the covers from 304 stainless steel. It is designed for an operating temperature of 1025°F at 45 psig, with 3/4″ of axial compression and 12.5″ of lateral deflection. The unit was post-weld heat treatment and 100% radiographic examined the circumferential and long seams after the post-weld heat treatment, plus pneumatically tested at 61 psi, the bellows were leak tested to 15 psig between the plies, and dye-penetrant tested prior to shipment.

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Single Expansion Joints for a Pipeline in Louisiana

October 30, 2017

Single Expansion Joints for a Pipeline in Louisiana

Type: Single Expansion Joint
Size: 13.5″ Diameter & 6″ OAL
Material: 304 Stainless Steel | CS
Design 300°F  at 85 psig 1″ Axil & 0.10″ Lateral
Testing: 100% Hydro-tested

U.S. Bellows, Inc. designed these single expansion joints for a pipeline in Louisiana. The expansion joints are 13.5″ in diameter and 6″ OAL. The bellows and liner are fabricated from 304L stainless steel and the flanges from carbon steel. The expansion joints were designed for a temperature of 300°F at 85 psig with 1″ of axial compression and 0.10″ of lateral deflection. All expansion joints were hydro-tested prior to shipment.

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Rectangular Metallic Expansion Joint for an Oil Refinery in Texas

October 16, 2017

Rectangular Metallic Expansion Joint for an Oil Refinery in Texas

Type: Rectangular Expansion Joint
Size: 148″ x 148″ and 17″ FTF
Design: 316 Stainless Steel
Material: 350°F at +50″ water column and 1.5″ Axial
Testing: 100% Dye-Penetrant and Air & Soap

This rectangular metallic expansion joint was custom engineered for an oil refinery in Texas. The unit’s dimensions are 148″ x 148″ and 17″ face-to-face length. The bellows, flanges, and hardware were completely fabricated from 316 stainless steel. It is designed for an operating temperature of 350°F at +50″ water column and 1.5″ of axial compression. The unit was 100% dye-penetrant and air & soap tested prior to shipment.

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Custom 335″ Long Universal Expansion Joint for an ACC Unit in New York

October 2, 2017

Custom 335" Long Universal Expansion Joint for an ACC Unit in New York

Type: Universal Expansion Joint
Size: 118″ CL-to-CL, 132 3/8″ FTF, & 24″ OD
Material: 304 Stainless Steel/Carbon Steel
Design: 400°F at 310 psig & 1 1/8″ Lateral Movement
Testing: Dye-Penetrant, PMI, X-Ray, and Hydrotested at 465 psig

U.S. Bellows custom designed 8 of these 335″ long universal expansion joints for a vacuum ducting service, exposed to high velocity steam and condensate for an ACC unit in New York. The bellows were completely fabricated from 304 stainless steel, with the weld-ends and hardware from carbon steel. The units are 127″ in diameter and 335″ in length. They are designed for an operating pressure at full vacuum to 15 psi at -10 to 250°F and 7.25″ of lateral deflection. The units were vacuum tested at 28.5″ of mercury, 100% dye-penetrant examined, and X-ray long seam bellows.

This expansion joint was featured in our lastest Technical Bulletin:
Click here to learn more about air-cooled condenser expansion joint

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Externally Pressurized Expansion Joints for Pneumatic Conveying and Filtration at a Manufacturing Facility in Missouri

September 18, 2017

Externally Pressurized Expansion Joints for Pneumatic Conveying and Filtration at a Manufacturing Facility in Missouri

Type: Externally Pressurized Expansion Joints
Size: 4″ Diameter & 57″ Length
Design: 304 Stainless Steel
Material: 500°F at 30 psig, 189 lb./in. Spring Rate & 8″ Axial
Testing: Dye-Penetrant and Air Soap & Bubble

U.S. Bellows custom designed these externally pressurized expansion joints for pneumatic conveying and filtration at a manufacturing facility in Missouri. The units were completely fabricated for 304 stainless steel. They are 4″ in diameter and 57″ in length. These expansion joints are designed for an operating temperature or 500°F at 30 psig, with a spring rate of 189 lb./in. and can absorb 8″ of axial compression. The units were 100% dye-penetrant and air soap & bubble tested prior to shipment.

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EPDM Rubber Expansion Joints for a Water Cooling Loop at a Chemical Plant in Saudi Arabia

September 5, 2017

EPDM Rubber Expansion Joints for a Water Cooling Loop at a Chemical Plant in Saudi Arabia

Type: EPDM Rubber Expansion Joints
Size: 9″ Diameter & 10″ Face-To-Face
Design: EPDM Rubber/Carbon Steel
Material: 250°F at 225 psig, 3.5″ Axial Compression & 1.5″ Lateral Deflection
Testing: Hydro tested

U.S. Bellows furnished these EPDM rubber expansion joints for a water cooling loop at a chemical plant in Saudi Arabia. The bellows are twin-open arch EPDM rubber and have a set of galvanized carbon steel retaining rings. The units are 10″ face-to-face and 9″ in diameter. They are designed for an operating temperature of 250°F at 225 psig with 3.5″ of axial compression, 1.5″ of lateral deflection, and 4° of angular rotation. The units were hydro tested at 1.5 times their design pressure prior to shipment.

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106″ Tied Universal Expansion Joint for a pipeline in the UAE

August 14, 2017

106" Tied Universal Expansion Joint for a pipeline in the UAE

Type: Universal Expansion Joint
Size: 118″ CL-to-CL, 132 3/8″ FTF, & 24″ OD
Material: 304 Stainless Steel/Carbon Steel
Design: 400°F at 310 psig & 1 1/8″ Lateral Movement
Testing: Dye-Penetrant, PMI, X-Ray, and Hydrotested at 465 psig

This tied universal expansion joint was designed by U.S. Bellows for a pipeline in the UAE. The unit is 24″ in diameter and 106″ in length. The bellows are fabricated from 304 stainless steel and the rest of the components from carbon steel. It is designed for an operating pressure of 15 psig at 194°F with an operating load of 501 lb/in. and 6″ of lateral deflection. The unit was 100% LP tested, X-ray examined, and hydro tested prior to shipment

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Fabric Expansion Joints for a Carbon Gas Application at an Oil and Gas Facility

July 31, 2017

Fabric Expansion Joints for a Carbon Gas application at an Oil and Gas Facility

 Type:  Fabric Expansion Joint
 Size:  20″ Diameter & 18″ Length
 Material:  1-Ply PTFE Fabric Belt/Carbon Steel Framework
 Design:  -20°F/+600°F with a +/- 20″ Water Column, and +/- 1″ of Axial Compression & Lateral Offset
 Testing:  100% Dye-Penetrant

U.S Bellows fabricated these fabric expansion joints for a carbon gas application at an oil and gas facility in Louisiana. These units are 20″ in diameter and 18″ in length. The 1-ply fabric belt is made from PTFE and the framework is carbon steel. They are designed for an operating temperature of -20°F/+600°F with a +/- 20″ water column, and +/- 1″ of axial compression and lateral offset. The welds of the units were dye penetrant tested prior to shipment.

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Double Gimbal Expansion Joints with 2-Ply Bellows for a Chemical Plant

July 17, 2017

Double Gimbal Expansion Joints with 2-Ply Bellows for a Chemical Plant

Type: Double Gimbal Expansion Joints
Size: 30″ Diameter | 198″ Length
Material: 2-Ply Bellows: Inconel 625 LCF | Pipes: 316 H SS | Covers & Liners: CS
Design: 5° Angular Rotation | 1260°F | 180 psig
Testing: 100% Dye-Penetrant | PMI Examined | Hydro-tested

U.S. Bellows custom designed and fabricated double gimbal expansion joints for a chemical plant in Arkansas. The assemblies are designed with 2-ply bellows which were fabricated from Inconel 625 LCF. The pipes are 316 H stainless steel and the covers and liners are carbon steel. The units are 30″ in diameter and have an overall length of 198″. The expansion joints were designed for 5° angular rotation at 1260°F and 180 psig. Prior to shipment, the units were 100% dye penetrant tested, PMI examined, and hydro-tested.

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Neoprene and Fabric Expansion Joints for an Exhaust Duct Application in Hungary

July 3, 2017

Neoprene and Fabric Expansion Joints for a an Exhaust Duct Application in Hungary

 Type:  Neoprene & Fabric Expansion Joints
 Size:  59″ Dia./7″ face-to-face & 136″ x 54″ x 12″.
 Material:  Fabric Reinforced Neoprene/Carbon Steel & PTFE Fabric Belt/304 Stainless Steel
 Design:  -20°F-600°F with +/- 100″ water column, 1/2″ of Axial & Lateral
 Testing:  100% Dye-Penetrant

These neoprene and fabric expansion joints were designed by U.S. Bellows for an exhaust duct application at a gas turbine facility in Hungary. The rounds are 59″ in diameter and 7″ face-to-face, and the rectangular is 136″ x 54″ x 12″. The rounds are fabricated from A572 Gr50 carbon steel with fabric reinforced neoprene belts and the rectangular has a PTFE fabric belt with 304 stainless steel framework. They are designed for an operating temperature from -20°F-600°F with +/- 100″ water column and 1/2″ of axial compression and lateral deflection. A dye-penetrant examination was conducted on the unit prior to shipment.

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107″ Custom Rectangular Expansion Joint for a Refinery in Texas

June 19, 2017

107" Custom Rectangular Expansion Joint for a Refinery in Texas

Type: Rectangular Expansion Joint
Size: 107″ x 71″ x 64″
Design: 304 Stainless Steel and Carbon Steel
Material: 250°F at 15 psig and 0.125″ of lateral deflection
Testing: Soap & Air, 100% Dye-Penetant, and Pneumatic

This rectangular expansion joint was custom fabricated by U.S. Bellows for a refinery in Texas. The expansion joint is 107″ in height, 71″ in width, and 64″ in length. The bellows and cover were fabricated from 304 stainless steel and the rest of the components from carbon steel. It is designed for 250°F at 15 psig and 0.125″ of lateral deflection. The expansion joint was soap & air, 100% dye-penetant, and pneumatic tested prior to shipment.

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Custom 22′ Long Universal Expansion Joint for a Combined Cycle Power Plant in Texas

June 5, 2017

Custom 22' Long Universal Expansion Joint for a Combined Cycle Power Plant in Texas

Type: Universal Expansion Joints
Size: 9′ 2″ diameter and 22′ 10″ OAL
Material: 321 Stainless Steel and Carbon Steel
Design: 250°F at 7.25 psig/FV and 1.5° angulation
Testing: Dye-penetrant, high vacuum (70 mbar), and hydrotested

U.S. Bellows custom-designed 23 of these tied universal expansion joints for a combined cycle power plant in Texas. This expansion joint is one of 23 units constructed and has a nominal diameter of 9′ 2″ with an overall length of 22′ 10″. The bellows are fabricated from 321 stainless steel with a carbon steel shell and tie rods. This tied joint is part of a condenser duct complex that is designed to operate at 250° F at 7.25 psig/FV, with compression of 3/16″, lateral deflection of 5 7/8″, and +/- 1.5° angulation. All expansion joints were 100% dye-penetrant tested, hydro-tested, and high vacuum (70 mbar) tested prior to shipment.

This expansion joint was featured in our lastest Technical Bulletin:
Click here to learn more about air-cooled condenser expansion joints

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110″ Custom Hinged Expansion Joint for a Combined Cycle Power Plant in Texas

May 15, 2017

140674a1

Type: Hinged Expansion Joints
Size: 110″ diameter and 39 3/8″ OAL
Material: 321 Stainless Steel and Carbon Steel
Design 250°F at 7.25 psig/FV and +/- 3° angulation
Testing: Dye-penetrant and high vacuum (70 mbar) tested

U.S. Bellows custom-designed this hinged expansion joint for a combined cycle power plant in Texas. This expansion joint is one of 11 units constructed and has a nominal diameter of 110″ with an overall length of 39 3/8″. The bellows are fabricated from 321 stainless steel with a carbon steel weld ends, cover, and hinges. This hinged joint is part of a condenser duct complex that is designed to operate at 250°F at 7.25 psig/FV, with +/- 3° angulation. All expansion joint welds were 100% dye-penetrant tested and high vacuum (70 mbar) tested prior to shipment.

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Custom Design Clamshell Pipe Spool for an Exhaust Duct Application in Texas

May 1, 2017

Custom Design Clamshell Pipe Spool for an Exhaust Duct Application in Texas

Type: Clamshell Pipe Spool
Size: 85.45″ in diameter and 21.5″ face-to-face
Material: 321H Stainless Steel
Design 950°F
Testing: Dye-Penetrant

U.S. Bellows custom designed this clamshell pipe spool for an exhaust duct application at a gas turbine facility in Texas. The units were completely fabricated from 321H stainless steel. It is 85.45″ in diameter and 21.5″ face-to-face. The clamshell was designed for an operating temperature of 950°F. A dye-penetrate test was performed prior to shipment.

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Custom 178″ Diameter Tied Universal Expansion Joints for an Exhaust Duct Application at a Power Plant in Virginia

April 17, 2017

Custom 178" Diameter Tied Universal Expansion Joints for an Exhaust Duct Application at a Power Plant in Virginia

Type: Tied Universal Expansion Joint
Size: 178″ in diameter and 276″ in length
Material: 321 Stainless Steel and Carbon Steel
Design: 248°F at 22.5 psig, operating load of 1256 lb/in, and 6.25″ lateral deflection
Testing: Dye-Penetrant and Soap & Air

U.S. Bellows custom designed five of these 178″ tied universal expansion joints for an exhaust duct application in a power plant in Virginia. The expansion joints are 178″ in diameter and 276″ in length. The bellows were fabricated from 321 stainless steel and the rest of the assembly from carbon steel. They are designed for an operating temperature of 248°F at 22.5 psig, an operating load of 1256 lb/in, and 6.25″ of lateral deflection. All units were 100% dye-penetrant and soap and air tested prior to shipment. Because of the sheer size of the units, all of the tie rod supports were FEA analyzed.

This expansion joint was featured in our lastest Technical Bulletin:
Click here to learn more about air-cooled condenser expansion joints

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Custom Tied Elbow Pressure Balanced Expansion Joint for a Chemical Plant in Texas

April 3, 2017

Custom Tied Elbow Pressure Balanced Expansion Joint for a Chemical Plant in Texas

Type: Elbow Pressure Balanced Expansion Joint
Size: 30″ in diameter and 118″ in length
Material: 321 Stainless Steel and Carbon Steel
Design: 400°F at 50 psig, an operating load of 959 lb/in, and 1 3/8″ in axial compression
Testing: Hydrotested

This custom tied elbow pressure balanced expansion joint was designed for an acetic acid producing application at a chemical plant in Texas. It is 30″ in diameter and 118″ in length. The bellows are fabricated from 321 stainless steel and all the other components are from carbon steel. It is designed for 400°F at 50 psig, an operating load of 959 lb/in, and 1 3/8″ in axial compression. The expansion joint hydrotested prior to shipment.

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Rectangular Fabric Expansion Joint for a Heat Recovery System at a Cement Plant

March 13, 2017

Rectangular Fabric Expansion Joint for a Heat Recovery System at a Cement Plant

 Type:  Rectangular Fabric Expansion Joint
 Size:  197″ in length, 118″ in width, and 18″ face-to-face
 Material:  PTFE Fabric Belt and Carbon Steel Frame
 Design:  -20°-400°F at +/- 60″ Water Column and 1″ of Axial Compression and Lateral Offset
 Testing:  100% Dye-Penetrant

U.S. Bellows designed fabricated this rectangular fabric expansion joint for a heat recovery system at a cement plant in Indiana. The unit was fabricated with high temperature PTFE fabric belt and carbon steel frame. The dimensions are 197″ in length, 118″ in width, and 18″ face-to-face. The expansion joint is designed for an operating temperature of -20°-400°F at +/- 60″ water column and 1″ of axial compression and lateral offset. A 100% dye-penetrant exam was performed on all welds prior to shipment.

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Gimbal Expansion Joints Designed for a Pipeline in Texas

February 13, 2017

Gimbal Expansion Joints Designed for a Pipeline in Texas

Type: Gimbal Expansion Joint
Size: 8″ x 22.5″ and 10″ x 23.5″
Material: 321 & 316 Stainless Steel/Carbon Steel
Design: 370°F at 160 psig, 10° angular rotation
Testing: Dye Penetrant and Hydro tested

These gimbal expansion joints were custom designed by U.S. Bellows for a pipeline in Texas. Units are an 8″ gimbal that is 22.5″ OAL and 10″ gimbal that is 23.5″ OAL. Each unit incorporated square gimbal design for the gimbal structure. The bellows and flanges were fabricated from 321 stainless steel, the liners from 316 stainless steel, and cover and hinge parts from carbon steel. They were designed for an operating temperature of 370°F at 160 psig with 10° of angular rotation. All unites were dye penetant and hydotested prior to shipment.

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