Universal Expansion Joint with Refractory Lining and Pantographic Linkage

$Universal Expansion Joint with Refractory Lining and Pantographic Linkage$

U.S. Bellows, Inc. fabricated this 28″ dia., 109″ long universal expansion joint with 1″ thick AA-22 abrasion resistant refractory lining and pantographic linkage for a FCC unit in an oil refinery. The entire assembly is fabricated from 304H stainless steel with carbon steel pantographs. This expansion joint has two-ply testable bellows with wire mesh strip between the plies. It is designed for an axial movement of 5″, a lateral movement of 5-1/2″ at 1425°F and 45 psig. This unit was 100% dye penetrant tested, all pressure retaining welds were 100% radiographed and the unit was pneumatic tested prior to shipping to Oklahoma.

42″ Dia. Single Tied Expansion Joints Designed for a Solar Electric Generation Facility

Type:	Single Expansion Joint
Size:	40″ and 42″ diameter
Material:	304 Stainless Steel \| Carbon Steel
Design	lateral movement of 1/2″, and 15 PSIG at 250°F
Testing:	100% Dye-penetrant \| Hydro-tested

These single tied expansion joints are 40″ and 42″ diameter and were designed for a solar electric generation facility. The bellows and flow liner are 304 stainless steel. The stub ends are fabricated from carbon steel. The expansion joints were designed for a lateral movement of 1/2″, and 15 PSIG at 250°F. They were 100% dye penetrant examined and hydro-tested prior to shipping to California.

60″ Dia. Pressure Balanced Elbow Expansion Joint for a Power Generation Plant

60″ Dia. Pressure Balanced Elbow Expansion Joint for a Power Generation Plan
This pressure balanced elbow expansion joint is 60″ diameter and 240″ overall length and was custom designed for a power generation plant in South Carolina. It was fabricated from carbon steel with 304 stainless steel bellows. The expansion joint was designed for an axial compression of 1″, lateral of 1″, and 100 PSIG at 100°F

Fabric Expansion Joints Custom Designed for an Offshore Oil Extraction and Natural Gas Project

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These fabric expansion joints were custom designed for offshore oil extraction and natural gas project. They are 105″ dia. x 24″ O.A.L. 309 stainless steel was used for the duct, 310 for the liners, 316 for the covers, 321 for the studs, 309 for the flanges. The fabric belt was a three-layer belt with an inner layer of glass cloth, a layer of Kaowool, and an outside layer of reinforced PTFE. The expansion joints were designed for 1 psig at a temperature of 1100°F. They are designed for 4″ axial compression, a 1″ extension, and a 0.5″ lateral offset. All welds were 100% dye-penetrant examined prior to shipment.

Single Expansion Joint for an Offshore Deep Drilling Platform

Type:	Single Expansion Joint
Size:	16″ diameter, 21-1/2″ OAL
Material:	321 stainless steel
Design	450°F at 8 psig
Testing:	100% Dye-penetrant \| Air and Soap-tested

These single expansion joint are refurbished with 321 stainless steel bellows for an offshore deepwater drilling platform. They are 16″ diameter, 21-1/2″ OAL, and designed for 450°F at 8 psig. The expansion joints were dye penetrant examined, and an air and soap bubble test was performed prior to shipment.

Pressure Balanced Expansion Joint for a Nuclear Facility

This pressure balanced expansion joint was custom made for a nuclear facility in Texas. It is 66″ID x 169″ OAL. This expansion joint was fabricated with 304 stainless steel bellows and carbon tee, pipe and tie rods. 100% dye-penetrant and soap and air tested, its operating conditions were 15 PSIG at 300°F for 1 1/4″ axial compression.

Custom Designed Universal Expansion Joint for Gas Turbine Application

This custom designed universal expansion joint is to be used for a gas turbine application. Dimensions are 30” DIA x 90” OAL and materials used for fabrication were 321 ss bellows, liners, and carbon steel pipes. This expansion joint was 100% x-ray, dye-penetrant, and hydro tested. Operating conditions were 96 PSIG at 550°F for 2″ lateral and 3/8” axial compression.

118″ Universal Expansion Joint for Steam Service

This 118″ diameter tied universal expansion joint was designed for steam service in a power plant in Alaska. The expansion joint duct, tie rods and cover are fabricated from carbon steel with 304 stainless steel bellows and liner. The overall length is 225″. It was designed for 250°F at 7.25 PSIG and 3.52Pquot; of lateral movement. Dye-penetrant testing, spot x-ray and an air and soap test were performed on the universal expansion joint assembly prior to shipping.

31″ I.D. Custom Turbine Expansion Joint

Type:	Single Expansion Joint
Size:	31″
Material:	321 stainless steel with Inconel 625
Design:	36″ long and is designed for 70 PSIG at 450 deg. F and axial travel of 4″
Testing:	100% Dye-penetrant \| Hydro-tested

Custom fabricated 31″ I.D. turbine expansion joint was designed and fabricated to be placed in service for a company in Texas. The expansion joint unit was reverse engineered, from the previous unit, with improvements to the current design. It is fabricated from 321 stainless steel with Inconel 625 bellows. The turbine expansion joint is 36″ long and is designed for 70 PSIG at 450 deg. F and axial travel of 4″. The expansion joint was 100% dye-penetrant examined and hydro-tested prior to being shipped to the customer.

Expansion Joint Components for Nuclear Facility

These expansion joint components were fabricated for a pressure balanced expansion joint in a nuclear power facility in Pennsylvania. They are 46″ square, fabricated from carbon steel duct with Inconel 625 bellows, and 321 stainless steel liner. The design conditions were +/- 0.875″ axial compression, 1,346 lb./in. lateral spring rate and 15 psig at 250°F. All welds were 100% dye penetrant examined and a pneumatic pressure test at 15 psig was conducted prior to shipping.

Tied Universal Expansion Joint with Control Rods for an Oil Recovery Project

This tied universal expansion joint with control rods was designed for an oil recovery plant in Canada. It is 48″ in diameter and 68″ in overall length. This expansion joint was designed for 1″ compression, 4″ lateral and 15 psig at 150°F. The pipe was fabricated from A-36 carbon steel material and the bellows were fabricated from 316L stainless steel. A dye penetrant exam, air and soap test, along with a vacuum test was conducted prior to shipping.

Engineering, Design and Fabrication of 119″ Expansion Joints, Duct Work and Supports

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U.S. Bellows provided the total engineering, design, and fabrication package for this project including expansion joints, elbows, duct work, saddle supports, F-type variable spring supports, slide plates, and pipe anchors.

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A total of twelve, 119″ dia. double-slotted hinged expansion joints, thirty-six, 72″ dia. elbows, and twelve, 119″ dia., 55″ long header ducts were fabricated for a power plant in Mississippi. The expansion joint assemblies were designed for .5° angular movement, 3/8″ lateral, 1-1/2″ axial compression. The design conditions were 5 psig at 300°F. The duct work was fabricated from A-36 carbon steel material and the bellows were fabricated from 304 stainless steel. A dye penetrant exam, soap and air test, and spot x-ray on all duct seam welds were performed prior to shipping.

Custom Thick Wall Flanged and Flued Head Expansion Joints for Heat Exchangers in California

Various sizes of thick wall flanged and flued head expansion joints were custom designed for heat exchangers in California. Two are 30″ in diameter and two are 18″ in diameter. They were designed for 1″ axial extension and 14 psig at 300°F. All four expansion joints were fabricated from ASTM A-516 Gr. 70 carbon steel material. A dye penetrant exam was conducted prior to shipping.

Neoprene Fabric Expansion Joints for a Ventilation Fan Intake Duct

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Neoprene fabric expansion joints were custom-designed for a ventilation fan intake duct in a power plant. They are 42″ in diameter and are 65″ in overall length. They were designed for 1/4″ axial movement, 1/8″ lateral deflection, and a 100″ water column at 200°F. The expansion joints are fabricated with a neoprene reinforced belt with stainless steel clamps, carbon steel spool pipe, and angle flange end. Each joint was 100% dye-penetrant examined prior to shipping.

Tied Universal Expansion Joint for Service in an Acid Regeneration Plant

A tied universal expansion joint was custom designed for service in an acid regeneration plant in Louisiana. It is 48″ in diameter, 141″ in overall length and designed for 1″ axial movement, 2-1/2″ lateral movement and .33° angular rotation. The expansion joint is fabricated with 310 stainless steel bellows, and 301 SS liner, duct, flanges, transition duct and covers. It was designed for 10 psig at 1150°F, and was dye penetrant examined, hydro-tested at 15 psig, and the bellows and pipe longitudinal weld seams were 100% x-rayed.

Fabric Expansion Joints Designed for a Lignite Coal Processing & Gasification Plant

A total of thirty-six fabric expansion joints were custom-designed for a lignite coal processing and gasification plant in Mississippi. They are 12″ diameter, 14″ overall length and designed for 1/4″ axial movement and .8quot; lateral movement. The expansion joints are fabricated with carbon steel flange ends, stainless steel clamps, and a PTFE coated fabric belt. They are designed for hot air circulation flow at 600°F and a pressure of 30″ water column.

42″ Dia. Stainless Steel Expansion Joints for an Offshore Application

These universal metallic expansion joints were custom designed for an offshore application. They are 42″ diameter, 24″ overall length and designed for 2″ axial movement and 1-1/2″ lateral movement. The expansion joints are fabricated entirely from 316 L stainless steel and designed for 1,000°F and 1 psig. Each unit was 100% dye penetrant examined and soap and air tested prior to shipment.

12″ Dia. Universal Expansion Joints with Stainless Steel Bellows

These universal metallic expansion joints were custom designed for a chemical plant in Texas. They are fabricated entirely from stainless steel with 304 stainless steel bellows. The expansion joints are 12″ diameter, 77-1/2″ long and designed for 4-1/2″ axial movement and 2″ lateral movement. They were designed for 200°F and 100 psig. Each unit was 100% dye penetrant examined and hydrotested prior to shipment.

102″ Dia. Tied Universal and Hinged Expansion Joints

Type:	Single Expansion Joint
Size:	102″ diameter, 225″ long, 102″ diameter, 71″ long
Material:	carbon steel with 316 stainless
Design	8.2″ lateral movement, 0.76° angular rotation, 250°F at 7.25 psig
Testing:	100% X-Rayed \| Dye-penetrant \| Soap/Air-tested

U.S. Bellows designed and fabricated tied universal expansion joints and single hinged expansion joints for a power plant in Canada. All the units were fabricated from carbon steel with 316 stainless steel bellows. The universal tied joints are 102″ diameter, 225″ long and are designed for 8.2″ lateral movement. The hinged joints are 102″ diameter, 71″ long and designed for 0.76° angular rotation. Each expansion joint can withstand temperatures up to 250°F at 7.25 psig. The bellows and pipe long seams were 100% x-rayed, and all the welds were 100% dye penetrant tested. A soap and air test were performed prior to shipment.

81″ Long Rectangular Fabric Expansion Joint for an Offshore Oil Extraction and Natural Gas Project

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A total of three rectangular fabric expansion joints and six round fabric expansion joints were custom designed for an offshore oil extraction and natural gas project. The rectangular joints are 56″ x 81″ I.D. x 25″ O.A.L. and the round joints are 105″ dia. x 24″ O.A.L. 309 stainless steel was used for the duct, 310 for the liners, 316 for the covers, 321 for the studs, 309 for the flanges. The fabric belt was a three layer belt with an inner layer of glass cloth, a layer of Kaowool and an outside layer of reinforced PTFE. The expansion joints were designed for 1 psig at a temperature of 1100°F. The rectangular joints were designed for 2″ axial compression, a 1″ extension, and a 1″ lateral offset. The round joints were designed for 4″ axial compression, a 1″ extension, and a 0.5″ lateral offset. All welds were 100% dye-penetrant examined prior to shipment.

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