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Featured Product Archives

Custom Single Expansion Joints for Oil Pipeline Application
February 13, 2017

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

U.S. 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

U.S. 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

 

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

US 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 of this unit were 106″ x 72″ x 15″. The bellows were fabricated from 310 stainless steel, 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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