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4″ Dia. Single Expansion Joint Designed for a Chemical Facility

July 7, 2014

Type:	Single Expansion Joint
Size:	4″ pipe
Material:	304 Stainless Steel \| Carbon Steel
Design	150 PSIG at 300°F spring rate of 425 lb./in
Testing:	100% Dye-penetrant \| Hydro-tested

U.S. Bellows Designed and fabricated single expansion joints for a chemical facility in Canada. They are designed for a 4″ pipe. These single joints have an axial movement of 1″ and a spring rate of 425 lb./in. The design pressure is 150 PSIG at 300°F. Each unit underwent a dye penetrant exam and hydro test prior to shipment.

42″ Dia. Single Expansion Joint Designed for a Gas Turbine System

June 15, 2014

Type:	Single Expansion Joint
Size:	42″ diameter and the overall length is 16″
Material:	316 L stainless steel
Design	140°F at 1 psig with 2″ of axial lateral movement
Testing:	100% Dye-penetrant \| Pneumatic

A single expansion joint was custom designed for a gas turbine system in Mexico. The bellows, flanges, and limit rods are all fabricated from 316 L stainless steel. The bellows are 42″ diameter and the overall length is 16″. The expansion joints were designed for 140°F at 1 psig with 2″ of axial lateral movement. A dye penetrant exam and pneumatic test were completed prior to shipment

42″ Dia. Universal Expansion Joint Designed with Pantographic Linkage and Slotted Hinges for a Flue Gas Application

May 31, 2014

This 42″ dia., 118″ long universal expansion joint was designed with pantographic linkage and slotted hinges for 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 1.3″ 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.

81 Universal Expansion Joints Designed for California Refinery

May 12, 2014

U.S. Bellows, Inc. custom designed eighty-one universal expansion joints for an oil refinery in California. The bellows are fabricated from 304 stainless steel, and the pipe and flanges are carbon steel. The units range from 1″ to 8″ in diameter and are designed for a spring rate of 20 lb./in. The expansion joints are designed for 140°F at 25 psig and are capable of 1″ axial compression. Each unit was hydro-tested prior to shipment.

36″ and 18″ Diameter Universal Expansion Joints Designed for an Oil Refinery in the Philiphines

March 21, 2014

U.S. Bellows custom designed universal expansion joints for an oil refinery in the Philippines. The bellows and liner are fabricated from 304 stainless steel and the cover, tie rods, flanges and pipe spool are carbon steel. The sizes are 18″ dia. x 60.5″ long, 28″ dia. x 80.75″ and 36″ dia. x 40″ long. The units are designed with movement indicators and for 50 psig at 655°F. They are capable of 0.675″ compression, 0.375″ lateral and 1″ angular. The bellows and pipes were 100% x-rayed, PMI examined and hydro-tested

11′ Fabric Expansion Joints Designed for a Gas Turbine Exhaust

February 16, 2014

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U.S. Bellows, Inc. fabricated four fabric expansion joints for a gas turbine exhaust. They are 136″ L x 54″ W 12″ face-to-face. The frame and liner are fabricated from stainless steel and the fabric belt is 1-ply PTFE. The expansion joints are designed for 400°F at +/- 100″ water column. A 100% dye-penetrant examination was performed prior to shipment.

78″ Dia. Single Expansion Joints Designed for an Internal Reactor

February 2, 2014

Type:	Single Expansion Joint
Size:	59-7/15″ to 78-8/8″ and are 41-5/16″ long Diameter
Material:	800H, A-240 type 304H stainless steel weld ends
Design	lateral movement of 0.25″, axial movement of 2.64″ and 15 psig at 1231°F
Testing:	100% X-Rayed \| Dye-penetrant

These single expansion joints are custom designed for an internal reactor in a propylene process unit. They are fabricated with Incoloy 800H bellows and A-240 type 304H stainless steel weld ends. The expansion joints range in diameter from 59-7/15″ to 78-8/8″ and are 41-5/16″ long. They were designed for a lateral movement of 0.25″, axial movement of 2.64″ and 15 psig at 1231°F. PMI, x-ray and dye penetration tests were performed prior to shipment.

Tied Universal Expansion Joints Designed for a Vapor Line Used for Rail Car Loading

January 19, 2014

U.S. Bellows, Inc. custom designed and fabricated tied universal expansion joints for a vapor line used for rail car loading at the Houston ship channel. The expansion joints are 12″ dia. x 40″ O.A.L. The bellows are fabricated from 304 stainless steel and the flanges and limit rods are carbon steel. They are designed for 100°F at 1 psig and capable of 5″ axial movement. Each unit was 100% dye penetrant tested and soap and air tested prior to shipment.

Single Hinged Expansion Joints Custom Designed for a Chemical Plant

January 4, 2014

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Twenty-four single hinged expansion joint were custom designed for a chemical plant. Eight are 16″ dia., four are 12″ dia., twelve are 6″ dia., and they range in length from 14″ to 16″. The bellows are fabricated from 304 stainless steel and the rest is carbon steel. The 16″ dia. joints are designed for 2° angular movement at 300°F and 150 psig. The 12″ dia. joints are designed for 1 deg. Angular movement at 300°F and 400 psig. The 6″ dia. joints are designed for 1° angular movement at 300°F and 650 psig. All expansion joints were dye penetrant examined and hydro-tested prior to shipment

Elbow Pressure Balanced Expansion Joint Designed for a Chemical Processing Plant

November 16, 2013

This elbow pressure balanced expansion joint was designed for a chemical processing plant to aid the nitrogen oxide process for compound fertilizers. It is 18″ diameter with a face of weld-end to centerline of elbow length of 83- 3/8″. The body of the assembly, the pipe, covers and tie-rods were fabricated from 304L stainless steel, the bellows and liners from 321 stainless. This unit was designed for 1/2″ compression and 4-1/8″ lateral movement with an operating temperature of 600°F at 125 psig. The assembly was dye penetrant tested and hydro-tested at 190 psig prior to shipment.

Fabric Expansion Joint Custom Designed for an Exhaust Application in a Gas Turbine Facility

November 2, 2013

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This 153″ x 55″ x 21″ fabric expansion joint was custom designed for an exhaust application in a gas turbine facility overseas. It is fabricated from carbon steel with a painted frame and liner. The fabric belt is reinforced neoprene, and it’s designed for +/- 100″ water column with a temperature of -20°F to 600°F. A 100% dye-penetrant examination and paint thickness test was conducted on the assembly before being shipped.

24″ Dia. Universal Expansion Joint Designed for a Refinery in Europe

October 12, 2013

U.S. Bellows designed and manufactured this universal expansion joint in accordance with ASME section VIII for an oil and gas refinery in Europe. A U2A- form was furnished as part of the units’ documentation. The expansion joint has a 24″ diameter and 103″ overall length. The bellows, liners and covers are fabricated from 316 stainless steel, and the flanges, tie-rods and pipe are carbon steel. The unit is designed for an operating temperature of 181°F at 101 psig and 1″ axial movement with a 3″ lateral offset. The bellows and pipe longitudinal weld seams were x-rayed, dye-penetrant and hydro- tested prior to shipment

Fabric Expansion Joints Designed for an Exhaust Duct in a Gas Turbine Facility

September 16, 2013

128507a1
These fabric expansion joints were custom designed for an exhaust duct in a gas turbine facility in Europe. The 81″ x 18″ x 16″ face to face expansion joints have an integral stainless steel frame and liner with a reinforced red silicone fabric belt. The assemblies were manufactured for a 400°F operating temperature at +/-100 inches of water column pressure. The expansion joints were 100% dye-penetrant tested before being shipped to the customer.

60″ Dia. Elbow Pressure Balanced Expansion Joint Refurbished in 3 Weeks

September 3, 2013

This 60″ dia. x 20″ OAL elbow pressure balanced expansion joint was refurbished by U.S. Bellows in 3 weeks for a power generation plant in Wisconsin. The bellows are fabricated from Inconel 625 and the duct, elbow, cover and liner of carbon steel. The expansion joint was designed for 1″ axial movement at 715°F and 185 psig. The bellows longitudinal seams were 100% x-rayed prior to forming. After replacing the bellows, the expansion joint was dye penetrant tested and hydro tested at 185 psig.

Duct Work and Expansion Joint Assembly Custom Designed by U.S. Bellows for an Oil Refinery in California

August 11, 2013

This duct work and expansion joint assembly was custom designed by U.S. Bellows for an oil refinery in California. The project consists of 36″ x 48″ 304 stainless steel oval shaped duct work with a thick wall expansion joint and 30″ x 16″ carbon steel round shaped duct work. It is designed for 900°F at 13.2 psig, and the entire assembly was dye penetrant examined and 100% x-rayed prior to shipment.

20′ Rectangular Fabric Expansion Joint Custom Designed for a Plant in Louisiana

June 29, 2013

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U.S. Bellows designed a 20″ x 13″ rectangular fabric expansion joint for a plant in Louisiana. This unit was custom designed to improve the current design by eliminating the need for insulation. The fabric belt consists of five layers and the frame is fabricated from 321 stainless steel. The expansion joint is designed for 1-7/8″ lateral movement at 1350°F and ± 10 psig and was 100% dye-penetrant tested prior to shipment.

62″ Fabric, 42″ Hinged and 42″ Tied Universal Expansion Joints and Duct Work Designed for an Acid Plant

June 13, 2013

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U.S. Bellows custom designed two 42″ tied universal expansion joints, a 42″ hinged expansion joint and a 62″fabric expansion joint in ductwork for an acid plant in Louisiana. The assemblies had flanged and flued head bellows fabricated from 304H stainless steel. The rest of the assemblies were made from carbon steel with operating temperatures of 700°F at 10 psig. The expansion joints were dye penetrant and x-ray tested prior to shipment.

59″ Dia. Single Hinged Expansion Joint Refurbished in Two Weeks

June 3, 2013

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Within a two week deadline, U.S. Bellows refurbished a 59-1/4″ diameter single hinged expansion joint for a refinery in Louisiana. The expansion joint is 119-3/4″ in overall length and designed for .82″ angular rotation at 1380°F and 35 psig. The bellows are fabricated from Inconel 625 LCF, and the entire assembly is 304H stainless steel. Before shipment, the bellows were x-rayed and the assembly was 100% dye penetrant and air tested to 52 psig.

64″ Dia. Elbow Pressure Balanced Expansion Joint Designed for an Exhaust Duct

May 12, 2013

U.S. Bellows designed and manufactured a 64” diameter custom elbow pressure balanced expansion joint for an exhaust duct in a power plant in Alberta, Canada. It is 386” in overall length and is fabricated from carbon steel with 321 stainless steel bellows. This expansion joint is designed for 1-1/8” axial movement, ½” lateral movement at 482°F and 174 psig. Tests performed on the unit include 100% dye penetrant, x-ray, and ultrasonic on pressure bearing welds. The unit was also hydrotested at 291 psig prior to shipment.

Single Expansion Joints Designed for Gas Service in Peru

April 27, 2013

Type:	Single Expansion Joint
Size:	3″ to 56″Diameter
Material:	321 stainless steel, 316L flanges, carbon steel covers
Design	194°F at 22 PSIG
Testing:	100% Dye-penetrant \| Soap, and Air

These single expansion joints are 20″ in overall length and range in diameter from 3″ to 56″. They are composed of 321 stainless steel bellows, 316L flanges, and angles, and include carbon steel covers. The expansion joints were designed for 194°F at 22 PSIG and were dye penetrant examined and soap and air tested prior to shipping to Peru.

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