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Featured Product Archives

60″ Dia. Pressure Balanced Elbow Expansion Joint for a Power Generation Plant
November 5, 2012

121832a1
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

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Fabric Expansion Joints Custom Designed for an Offshore Oil Extraction and Natural Gas Project
October 20, 2012

112416v2a1
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.

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Single Expansion Joint for an Offshore Deep Drilling Platform
October 9, 2012

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.

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118″ Universal Expansion Joint for Steam Service
August 20, 2012

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.

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31″ I.D. Custom Turbine Expansion Joint
August 6, 2012

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.

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Expansion Joint Components for Nuclear Facility
July 23, 2012

Expansion Joint Components Fabricated for a Pressure Balanced Expansion Joint in a 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.

 

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Tied Universal Expansion Joint with Control Rods for an Oil Recovery Project
July 9, 2012

Tied Universal EJ 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.

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Engineering, Design and Fabrication of 119″ Expansion Joints, Duct Work and Supports
June 25, 2012

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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.

115705a1

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.

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