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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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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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Inline Pressure Balanced Expansion Joints for Waste Water Treatment Plant

January 2, 2017

Inline Pressure Balanced Expansion Joints for Waste Water Treatment Plant

Type:  Inline 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.

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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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66″ Diameter Hinged Expansion Joints Designed for a Chemical Plant (PT&P Ref#132483)

October 31, 2016

132483a1

Type: Hinged Expansion Joint
Size: 66″ in diameter and 39-3/8″ OAL
Material: Incoloy 825 / 321 stainless steel
Design 73 psig at 986°F with 4.25 degrees of angular rotation
Testing: Dye Penetrant, X-Ray, PMI, Hydrotest

These single hinged expansion joints were custom designed by U.S. Bellows for a chemical plant in Saudi Arabia. The units are 66″ in diameter and 39-3/8″ OAL. The bellows are fabricated from Incoloy 825 with the weld ends, hinges, liner, and cover from 321 stainless steel. The expansion joints are designed for an operating pressure of 73 psig at 986°F with 4.25 degrees of angular rotation. All units were dye-penetrant tested, X-ray tested on all bellows and pipe longitudinal weld seams, PMI tested on all alloy components, and the alloy steel plate for the pipe was ultrasonic tested prior to shipment.

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Rectangular Fabric Expansion Joint for a Ventilation Air Filter System at a Gas Turbine Facility

October 17, 2016

Rectangular Fabric Expansion Joint for a Ventilation Air Filter System at a Gas Turbine Facility

 Type:  Rectangular Fabric Expansion Joint
 Size:  153″ long x 55″ wide x 21″ face-to-face
 Material:  PTFE fiber glass reinforced / A572 Gr.50 high strength steel frame & liner
 Design:  -20°F to +200°F at +/- 100″ water column
 Testing:  100% Dye-Penetrant

U.S. Bellows designed this rectangular fabric expansion joint for a ventilation air filter system at a gas turbine facility. The dimensions for the expansion joint are 153″ long x 55″ wide x 21″ face-to-face. The fabric belt is made from PTFE fiber glass reinforced, while the frame and liner are fabricated from A572 Gr.50 high strength steel. The expansion joint is designed for -20°F to +200°F at +/- 100″ water column. A dye penetrant examination on the welds was preformed 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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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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U.S. 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

U.S. 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

142087a1

 

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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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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Tied Universal Expansion Joint for a Sulphur Line at a Chemical Plant in Canada

May 16, 2016

Tied Universal Expansion Joint for a Sulphur Line at a Chemical Plant in Canada

U.S. Bellows custom designed this tied universal expansion joint with floating flanges for a sulphur line application at a chemical facility in British Columbia, Canada. The expansion joint is 48″ in diameter and 72-1/2″ in length. The bellows is fabricated from 304 wetted stainless steel and the flanges and hardware from carbon steel. It is designed for an operating pressure of 10 pisg at 600°F with 1.8″ of axial compression. The unit was 100% dye- penetrant and pressure tested prior to shipment.

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Externally Pressurized Expansion Joints Designed for a Pipeline in Kentucky

May 2, 2016

Externally Pressurized Expansion Joints Designed for a Pipeline in Kentucky

U.S. Bellows custom designed these externally pressurized expansion joints for a pipeline in Kentucky. The bellows are fabricated from Inconel 625 LCF and all other components from carbon steel. The expansion joints are 4″ in diameter and 32″ OAL. They are designed for an operating pressure of 135 psig at 358°F with 3″ of compression. All expansion joints were hydro-tested prior to shipment. Externally pressurized expansion joints are suited for piping systems that require large amounts of axial compression or extension. In externally pressurized expansion joints, the bellows elements are arranged so that the media flow is on the external surface of the bellows. Externally pressurizing the bellows eliminates pressure instability as a limitation to the design and permits the absorption of large amounts of axial expansion.

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Universal Gimbal Hinged Expansion Joint for a Methanol and Ammonia Plant in Texas

April 18, 2016

Universal Gimbal Hinged Expansion Joint for a Methanol and Puniversal gimbal hinged expansion joint for a methanol and ammonia plant in Texas Ammonia Plant in Texas

U.S. Bellows designed this universal gimbal hinged expansion joint for a methanol and ammonia plant in Texas. This expansion joint is 48″ in diameter and 145″ OAL. The bellows were fabricated from Inconel 625 and the assembly is carbon steel. The unit is designed for an operating temperature of 752°F at 50 psig, the angular spring rate is 4,374 lb/in., with 3/4″ of axial movement within the gimbal bars. The unit was 100% x-ray, dye-penetrant, and hydro-tested prior to shipment.

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85″ Dia. Clamshell Spools Designed for an Exhaust Wall Protrusion Clamshell at a Gas Turbine Facility

April 4, 2016

85” Dia. Clamshell Spools Designed for an Exhaust Wall Protrusion Clamshell at a Gas Turbine Facility

These clamshell pipe spools were fabricated by U.S. Bellows for a section of the duct for a gas turbine installation. The units were constructed from ASTM A.240 type 321 stainless steel. The flanges had a 32 RMS machined faces for bolting up the flanges without gaskets. The spools were designed to be removed in four sections so that the spool could be removed and the turbine pulled back for maintenance. They are 85.5″ in diameter and 21.5″ in overall length. The units were designed for an operating temperature ranging from -40°F to 950°F.

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