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

November 14, 2016

Elbow Pressure Balanced Expansion Joint for a Power Plant in California

Type: Elbow Pressure Balanced Expansion Joint
Size: 111″ x 115″ x 60″
Material: Incoloy 625 / Carbon Steel
Design: 350°F at 15 psig with 1/2″ of axial compression and 1/4″ of lateral deflection
Testing: Hydrotest

This 60″ elbow pressure balanced expansion joint was custom designed by U.S. Bellows for a power plant in California. The bellows are fabricated from Inconel 625 LCF while the remainder of the expansion joint from carbon steel. It is designed for an operating temperature of 350°F at 15 psig with 1/2″ of axial compression and 1/4″ of lateral deflection. The unit was hydrotested prior to shipment.

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Fabric Expansion Joint Designed for a Natural Gas Application in a Gas Turbine

October 3, 2016

Fabric Expansion Joint Designed for a Natural Gas Application in a Gas Turbine

Type: Rectangular Fabric Expansion Joint
Size: 136″ x 45″ x 12″
Material: PTFE Fiberglass Reinforced Fabric Belt / 304 Stainless Steel
Design -20°F to 650°F at a +/- 100″ water column
Testing: 100% Dye-Penetrant

 

U.S. Bellows fabricated this rectangular fabric expansion joint for a natural gas application at a gas turbine facility. The fabric belt is made from PTFE fiberglass reinforced and the frame and liner from 304 stainless steel. The unit is 136″ long x 45″ wide x 12″ face-to-face. It is designed for an operating temperature ranging from -20°F to 650°F with a pressure of +/- 100″ water column. A dye penetrant examination was performed on all welds 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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9′ Rectangular Metallic Expansion Joint Designed for a Gas Turbine Facility

September 6, 2016

9’ Rectangular Metallic Expansion Joint Designed for a Gas Turbine Facility

Type: Rectangular Expansion Joint
Size: 106″ x 72″ x 15″
Design: 310 Stainless Steel Bellows / Carbon Steel
Material: -20 – 1000°F / +/- 5″ water column
Testing: 100% dye-penetrant tested

U.S. Bellows designed this rectangular expansion joint for a gas turbine facility in California. It was custom designed with one 6″ x 6″ square convolution. The dimensions for unit are 106″ x 72″ x 15″. The bellows was fabricated from 310 stainless steels and the frame from carbon steel. It is designed for an operating temperature from -20°F to +1,000°F at +/- 5″ water column. The unit was 100% dye-penetrant tested prior to shipment.

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Externally Pressurized Expansion Joints Designed for a Hot Water Piping System at an Air Force Facility

August 15, 2016

Externally Pressurized Expansion Joints Designed for a Hot Water Piping System at an Air Force Facility

Type: Externally Pressurized Expansion Joints
Size: 4″ Diameter / Single: 50″ and double: 87″ Face-to-Face
Design: Inconel 625 Bellows / Carbon Steel
Material: 400°F / 400 psig
Testing: Hydro-tested at 600 psig

These single externally pressurized expansion joints were custom designed by U.S. Bellows for a hot water piping system at an Air Force facility in California. All units are 4″ in diameter, with the single units having a length of 50″ face-to-face and double units having a length of 87″ face-to-face. The expansion joint’s bellows were fabricated from Inconel 625 and all other components from carbon steel. They are designed for a temperature of 400°F at 400 psig with 4″ and 8″ of axial compression. All units were hydro-tested at 600 psig prior to shipment.

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US Bellows Designed Thick Wall Flanged and Flued Head Expansion Joints for Sulfuric Acid Plant

July 28, 2016
U.S. Bellows Designed Thick Wall Flanged and Flued Head Expansion Joints for Sulfuric Acid Plant

US Bellows custom designed and fabricated thick-wall flanged and flued head expansion joints for a sulfuric acid plant in Chicago, IL. The units will be used for a chemical furnace and converter project. The expansion joints vary in size from 36″ to 70″ in diameter.  The units were fabricated from 304 stainless steel in 1022° F temperatures, with an operating pressure of 93° H2O water column. All welds were dye penetrant, and soap and air tested prior to shipment.

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Hinged Expansion Joints Designed for a Pipeline in Mexico

July 18, 2016

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U.S. Bellows designed single hinged expansion joints for a pipeline in Mexico. They are 12″ in diameter and 12″ in length. The bellows were fabricated from 304 stainless steel, and the flanges and hinge hardware from carbon steel. The expansion joints are designed for an operating pressure of 150 psig at 150°F, and rated for 5° of angular movement. All units were 100% dye-penetrant and hydro-tested per ASME B31-3 prior to shipment.

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82″ Long Universal Expansion Joint for a Power Plant in Chile

July 5, 2016

82" Long Universal Expansion Joint for a Power Plant in Chile

U.S. Bellows custom designed this universal expansion joint for a steam line extraction application at a power plant in Chile. The unit is 8″ in diameter with an overall length of 82″. The bellows were fabricated from 321 stainless steel with the weld ends and tie rods from carbon steel. The expansion joint is designed for an operating pressure of 145 psig at 678°F with 1.25″ of lateral deflection. All welds were 100% dye-penetrant examined and hydrotested prior to shipment.

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U.S. Bellows Emergency Response Team Refurbishes a Universal Expansion Joint on a Rush Basis for a Chemical Plant in Louisiana

June 13, 2016

U.S. Bellows Emergency Response Team Refurbishes a Universal Expansion Joint on a Rush Basis for a Chemical Plant in Louisiana

Saturday morning of Memorial Day weekend, the U.S. Bellows team received an emergency request from a large chemical plant who needed to refurbish an expansion joint by replacing both of the bellows. Within 30 minutes, the customer had a response and the project was under way.

U.S. Bellows engineers consulted with the customer and requested the unit be shipped to the facility immediately. After receiving the expansion joint, the team performed a positive material identification (PMI) test. U.S. Bellows assessed the expansion joint and determined the 316 stainless steel bellows could be refurbished. Once the results were concluded, engineering drawings and calculations were finalized.

U.S. Bellows made certain that, despite the Holiday weekend, a skilled team of engineers, fitters, welders and quality control personnel were all involved to ensure the success of the project. The customer service and project success rates are unparalleled because U.S. Bellows has the expertise and the tools we need to get it done right, the first time.

As with any last minute project, there were some unforeseen challenges. However, this didn’t stop the completion of the project, or even slow it down! The 30″ diameter universal expansion joint was refurbished and shipped back to the customer within 24 hours. The unit is back in service at the chemical plant with minimal down time due to the fast-acting U.S. Bellows team.

If you have an emergency request, including field service needs, please call us on our Emergency Hotline at (800) 787-5914 or via our online Emergency Request Form

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PTFE Coated Single Expansion Joints For A Power Plant in Mississippi

May 31, 2016

PTFE Coated Single Expansion Joints For A Power Plant in Mississippi

Type: Single Expansion Joint
Size: 8″ Diameter and 7 1/8″ overall length
Material: 304 Stainless Steel
Design 160°F at 55 psig with 1/2″ of axil movement
Testing: 100% Dye Penetrant | Hydro-tested

U.S. Bellows custom designed these single expansion joint for a power plant in Mississippi. They are 8″ in diameter and 7 1/8″ overall length. The bellows were fabricated from 304 stainless steel and the flanges from carbon steel. The interior surface of the units were coated with PTFE. The expansion joints were designed for an operating temperature of 160°F at 55 psig with 1/2″ of axial movement. All unites were 100% dye-penetrant and hydro-tested prior to shipment.

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