Featured Product Archives Archives

107″ Custom Rectangular Expansion Joint for a Refinery in Texas

June 19, 2017

Type:	Rectangular Expansion Joint
Size:	107″ x 71″ x 64″
Design:	304 Stainless Steel and Carbon Steel
Material:	250°F at 15 psig and 0.125″ of lateral deflection
Testing:	Soap & Air, 100% Dye-Penetant, and Pneumatic

This rectangular expansion joint was custom fabricated by U.S. Bellows for a refinery in Texas. The expansion joint is 107″ in height, 71″ in width, and 64″ in length. The bellows and cover were fabricated from 304 stainless steel and the rest of the components from carbon steel. It is designed for 250°F at 15 psig and 0.125″ of lateral deflection. The expansion joint was soap & air, 100% dye-penetant, and pneumatic tested prior to shipment.

110″ Custom Hinged Expansion Joint for a Combined Cycle Power Plant in Texas

May 15, 2017

Type:	Hinged Expansion Joints
Size:	110″ diameter and 39 3/8″ OAL
Material:	321 Stainless Steel and Carbon Steel
Design	250°F at 7.25 psig/FV and +/- 3° angulation
Testing:	Dye-penetrant and high vacuum (70 mbar) tested

U.S. Bellows custom-designed this hinged expansion joint for a combined cycle power plant in Texas. This expansion joint is one of 11 units constructed and has a nominal diameter of 110″ with an overall length of 39 3/8″. The bellows are fabricated from 321 stainless steel with a carbon steel weld ends, cover, and hinges. This hinged joint is part of a condenser duct complex that is designed to operate at 250°F at 7.25 psig/FV, with +/- 3° angulation. All expansion joint welds were 100% dye-penetrant tested and high vacuum (70 mbar) tested prior to shipment.

Custom Design Clamshell Pipe Spool for an Exhaust Duct Application in Texas

May 1, 2017

Type:	Clamshell Pipe Spool
Size:	85.45″ in diameter and 21.5″ face-to-face
Material:	321H Stainless Steel
Design	950°F
Testing:	Dye-Penetrant

U.S. Bellows custom designed this clamshell pipe spool for an exhaust duct application at a gas turbine facility in Texas. The units were completely fabricated from 321H stainless steel. It is 85.45″ in diameter and 21.5″ face-to-face. The clamshell was designed for an operating temperature of 950°F. A dye-penetrate test was performed prior to shipment.

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

April 3, 2017

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.

Gimbal Expansion Joints Designed for a Pipeline in Texas

February 13, 2017

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.

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.

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

January 30, 2017

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.

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

January 16, 2017

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.

In-line Pressure Balanced Expansion Joints for Waste Water Treatment Plant

January 2, 2017

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 U.S. 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° 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.

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

December 5, 2016

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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Featured Product Archives

107″ Custom Rectangular Expansion Joint for a Refinery in Texas

110″ Custom Hinged Expansion Joint for a Combined Cycle Power Plant in Texas

Custom Design Clamshell Pipe Spool for an Exhaust Duct Application in Texas

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

Gimbal Expansion Joints Designed for a Pipeline in Texas

Custom Single Expansion Joints for Oil Pipeline Application

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

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

In-line Pressure Balanced Expansion Joints for Waste Water Treatment Plant

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

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