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Featured Product Archives

Custom Tied Elbow Pressure Balanced Expansion Joint for a Chemical Plant in Texas
April 3, 2017

Custom Tied Elbow Pressure Balanced Expansion Joint for a Chemical Plant in Texas

Type: Elbow Pressure Balanced Expansion Joint
Size: 30″ in diameter and 118″ in length
Material: 321 Stainless Steel and Carbon Steel
Design: 400°F at 50 psig, an operating load of 959 lb/in, and 1 3/8″ in axial compression
Testing: Hydrotested

This custom tied elbow pressure balanced expansion joint was designed for an acetic acid producing application at a chemical plant in Texas. It is 30″ in diameter and 118″ in length. The bellows are fabricated from 321 stainless steel and all the other components are from carbon steel. It is designed for 400°F at 50 psig, an operating load of 959 lb/in, and 1 3/8″ in axial compression. The expansion joint hydrotested prior to shipment.

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Gimbal Expansion Joints Designed for a Pipeline in Texas
February 13, 2017

Gimbal Expansion Joints Designed for a Pipeline in Texas

Type: Gimbal Expansion Joint
Size: 8″ x 22.5″ and 10″ x 23.5″
Material: 321 & 316 Stainless Steel/Carbon Steel
Design: 370°F at 160 psig, 10° angular rotation
Testing: Dye Penetrant and Hydro tested

These gimbal expansion joints were custom designed by U.S. Bellows for a pipeline in Texas. Units are an 8″ gimbal that is 22.5″ OAL and 10″ gimbal that is 23.5″ OAL. Each unit incorporated square gimbal design for the gimbal structure. The bellows and flanges were fabricated from 321 stainless steel, the liners from 316 stainless steel, and cover and hinge parts from carbon steel. They were designed for an operating temperature of 370°F at 160 psig with 10° of angular rotation. All unites were dye penetant and hydotested prior to shipment.

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Custom Single Expansion Joints for Oil Pipeline Application

Single Expansion Joints for Oil Pipeline Application

Type: Single Expansion Joint
Size: 2″ Diameter/18″ long & 4″ Diameter/18″ long
Material: 304 Stainless Steel | CS
Design 400°F at 150 psig
Testing: 100% Hydro-tested

U.S. Bellows custom designed these single expansion joints for an oil pipeline application. 30 of the units are 2″ in diameter and 18″ OAL and 10 of the units are 4″ in diameter and 18″ OAL. The bellows were fabricated from 304 stainless steel with the pipe spool and flanges from carbon steel. They are designed for an operating pressure of 150 psig and an operating temperature of 400°F. All units were hydro-tested prior to shipment.

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116″ Universal Expansion Joint for a Water Supply System in California
January 30, 2017

116" Universal Expansion Joint for a Water Supply System in California

Type: Universal Expansion Joint
Size: 116″ in diameter/60″ long
Material: AL6XN Stainless Steel/Carbon Steel
Design: 100°F at 220 PSIG, 9″ axial compression
Testing: Dye penetrant, radiographic, and hydro tested

US Bellows custom-designed this 116″ universal expansion joint for a water supply system in California. The unit measures 116″ in diameter and 60″ long. The bellows and pipe spool were fabricated from AL6XN stainless steel and the flanges from carbon steel. It is designed for a temperature of 100°F at 220 PSIG and 9″ of axial compression. The expansion joint was dye penetrant, radiographic, and hydro tested prior to being shipped out.

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Thick Wall Flange and Flued Expansion Joints Designed for a Sulphuric Acid Plant
January 16, 2017

Thick Wall Flange and Flued Expansion Joints Designed for a Sulphuric Acid Plant

Type: Thick-Wall Expansion Joints
Size: 36″-84″ in diameter
Design: A516-70 Carbon Steel/304 Stainless Steel
Material: 250″ water column
Testing: 100% dye-penetrant and air, soap and bubble tested

U.S. Bellows designed this thick wall flange and flued expansion joint for a sulphuric acid plant in Kentucky. Units were designed with various dimensions from 36″-84″ in diameter. They were all fabricated from A516-70 carbon steel and 304 stainless steel. The expansion joint is designed for a 250″ water column. All units were dye-penetrant, soap and air bubble, and hydro tested prior to shipment.

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In-line Pressure Balanced Expansion Joints for Waste Water Treatment Plant
January 2, 2017

Inline Pressure Balanced Expansion Joints for Waste Water Treatment Plant

Type:  In-line Pressure Balanced Expansion Joint
Size: 12″ in diameter and 32″ in overall length
Design: 304 Stainless Steel
Material: 200°F at 55 PSIG, with 7/8″ of axil compression and .07″ of lateral movement
Testing: 100% dye-penetrant, PMI, X-Ray, and hydro tested

These inline pressure balanced expansion joints were custom-designed by US Bellows for a wastewater treatment plant in California. The units are 12″ in diameter and 32″ in overall length. All components of the expansion joints (bellows, covers, liners, rings, and flanges) were completely fabricated from 304 stainless steel. They are designed for an operating temperature 200°F at 55 PSIG, with 7/8″ of axial compression and .07″ of lateral movement. All units were 100% dye-penetrant, PMI, X-Ray, and hydro-tested prior to shipment.

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Custom Designed Fabric Expansion Joint for a Gas and Water Vapor Application
December 5, 2016

Custom Designed Fabric Expansion Joint for a Gas and Water Vapor Application

 Type:  Fabric Expansion Joint
 Size:  83″ diameter / 20″ face-to-face
 Material:  PTFE Fabric Belt / 304 Stainless Steel
 Design:  500°-1500°F at +/-2″ water column & 1 1/2″-6 1/2″ axial compression
 Testing:  100% Dye-Penetrant

US Bellows custom-engineered this fabric expansion joint for a gas and water vapor application at a rotating dryer facility. It is fabricated from a 3-layer PTFE belt with a 304 stainless steel frame and 2205 duplex framing. The unit is 83″ in diameter and 20″ face-to-face. The expansion joint is designed for an operating temperature ranging from 500°-1500°F at a +/- 2″ water column pressure and 1 1/2″-6 1/2″ of axial compression. A 100% dye-penetrant examination was conducted on the unit prior to shipment.

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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

 

US 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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