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Custom Single Expansion Joints for an Asphault Facility in Saudi Arabia
September 16, 2019

Usbellows single expansion joint 157836

 

 Type:  Single Expansion Joints
 Size:  19 11/16″ Long | 12″ Nominal Pipe Size
 Material:  316 Stainless Steel | Carbon Steel
 Design:  220°F Operating Temp. @ 75 PSIG | 0.6″ Axial & Lateral
 Testing:  100% Dye-Penetrant

US Bellows custom-designed these single expansion joints for an asphalt facility in Saudi Arabia. They are 19 11/16″ long and a nominal pipe size of 12″. The bellows and liners were fabricated from 316 stainless steel, with the flanges and tie rods from carbon steel. They are designed for an operating pressure of 75 PSIG at 220°F and 0.6″ axial compression and lateral deflection. The units were 100% dye-penetrant tested and hydro-tested prior to shipment.

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Custom Designed Rectangular Expansion Joints for a Chemical Plant in Texas
February 5, 2018

Custom Designed Rectangular Expansion Joints for a Chemical Plant in Texas

Type: Rectangular Expansion Joint
Size: 91″ x 130″ x 24″
Design: 304 Stainless Steel
Material: 482°F at 14.2 psig & 1″ Axial Compression
Testing: Soap & Air and 100% Dye-Penetrant

These rectangular expansion joints was custom designed by US Bellows for a chemical plant in Texas. It has dimensions of 91″ x 130″ x 24″. It was completely fabricated from 304 stainless steel. The units are designed for an operating temperature of 482°F with an operating pressure of 14.2 psig and 1″ of axial compression. The expansion joints were soap & air tested and 100% dye penetrant tested prior to shipment.

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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

US 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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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

US 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 Custom Designed for a Power Generation Application
September 20, 2016
Single Expansion Joints Custom Designed for a Power Generation Application
Type: Single Tied Expansion Joint
Size: 4” in diameter by 9-3/4;” in OAL, to 8” in diameter by 10-7/8” in OAL
Material: 304 Stainless Steel Bellows / Carbon Steel
Design: 400°F at 400 psig
Testing: hydro-tested at 600 psig

U.S. Bellows custom designed these single tied expansion joints for a power generation application in Virginia. The expansion joints vary in size from 4” in diameter by 9-3/4” in OAL, to 8” in diameter by 10-7/8” in OAL. The bellows are fabricated from 304 stainless steel and the rest of the components from carbon steel. The expansion joints are designed for 400°F at 400 psig and are capable of 0.39” of lateral movement. A hydro-test at 600 psig was performed on the units prior to shipment

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Gimbal Expansion Joints Designed for a Flare Gas and Steam Application in a Methanol Plant
December 7, 2015

Gimbal Expansion Joints Designed for a Flare Gas and Steam Application in a Methanol Plant
U.S. Bellows designed these single gimbal expansion joints with floating ring gimbal attachment to the pipe for a flare gas and steam application at a methanol plant in Texas. The bellows were fabricated from Inconel® 625 LCF, the liner and the weld-ends from 316H stainless steel, the cover from 304 stainless steel, and the gimbal structure from A516 carbon steel. The expansion joints are 48″ diameter and are 61 3/8″ in overall length, and are designed for an operating temperature of 752°F at 50 psig. All expansion joints were 100% dye penetrant, X-ray, and hydrotested prior to shipment.

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10′ Long Expansion Joints Designed for a Nuclear Energy Facility
September 15, 2015

10' Long Expansion Joints Designed for a Nuclear Energy Facility

Type: Single Expansion Joint
Size: 18″ Diameter and 120″ OAL
Material: 316 Stainless Steel
Design  35 PSIG at an Operating Temperature 1200°F
Testing: 100% Dye Penetrant | Hydro-tested

US Bellows manufactured these single expansion joints for a nuclear energy facility in Ohio. The expansion joints are 18″ in diameter and 120″ in OAL. All components are fabricated from 316 stainless steel. The assemblies are capable of 1.1″ axial movement, 0.5″ lateral movement, and are designed for 35 psig at an operating temperature of 1200°F. One end is beveled for welding, and the other end is fitted with a special 316 stainless steel clamp assembly. The expansion joints were dye-penetrant tested and hydro-tested prior to shipment.

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30″ Dia. Single Tied Expansion Joint Designed for an Oil Refinery
February 15, 2015

137567a1

 

U.S. Bellows custom designed this single tied expansion joint for an oil refinery in Saudi Arabia. The bellows and liner are fabricated from 304 stainless steel and the cover, tie rods, and flanges are carbon steel. This expansion joint is 30″ in diameter and is 24″ in length. The unit is designed for 800°F at 275 psig and capable of 1″ axial movement. Prior to shipment, all welds were dye penetrant examined, hydrotested, and the bellows longitudinal weld was 100% x-rayed.

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6″ Dia. Single Expansion Joints Designed for an Oil Refinery in China
December 6, 2014

135451a1

 

U.S. Bellows custom designed single expansion joints for an oil refinery in China. They were fabricated with Incoloy 800H bellows and ASTMA 240TP 304H stainless steel weld ends. The expansion joints have a diameter of 6″ with an overall length of 11″. The assemblies were designed for a spring rate of 362 lb./in., 1″ axial movement at 1112°F and 5 psig. All expansion joints were dye penetrant examined and hydro-tested prior to shipment.

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42″ Dia. Hinged Universal Expansion Joint Designed with Pantographic Linkage
August 4, 2014

129524v2a1

 

This 42″ dia. hinged universal expansion joint was designed with pantographic linkage flue gas application in a Columbian refinery. The redundant two-ply testable bellows are fabricated from Inconel 625 LCF and the remainder of the assembly was fabricated with refractory lined carbon steel. It is designed for an axial movement of 1.1″ at 1,000°F and 50 psig. All welds were 100% dye penetrant examined, the bellows longitudinal seam and pipe seams were 100% X-ray examined. The complete assembly was pneumatically tested to 50 psig due to the internal insulation. All the pressure bearing components such as the hinge plates, pantrographic linkage, gimbal ring and hinge support rings were designed and engineered per latest EJMA, ASME B31.3 codes

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