Featured Product Archives Archives

Single Expansion Joint for a Chemical Plant in Texas

January 22, 2018

Single Expansion Joint for a Chemical Plant in Texas

Type:	Single Expansion Joint
Size:	39″ Dia. \| 24″ OAL
Material:	304 Stainless Steel \| CS
Design	400°F at 35 psig & 2″ Axial Compression
Testing:	100% Hydro-tested at 57 psig

U.S. Bellows designed this single metallic expansion joint for a chemical plant in Texas. The unit has a 39″ diameter and is 24″ overall length. The bellows were fabricated from 304 stainless steel with carbon steel flanges. It is designed for an operating temperature up to 400°F at 35 psig, with 22″ of axial compression. The expansion joint was hydro-tested at 57 psig prior to shipment.

Tied Double Elbow Universal Expansion Joints for a Liquid Hydrocarbon Service Application at a Paraxylene Complex

January 8, 2018

Type:	Universal Expansion Joint
Size:	118″ CL-to-CL, 132 3/8″ FTF, & 24″ OD
Material:	304 Stainless Steel/Carbon Steel
Design:	400°F at 310 psig & 1 1/8″ Lateral Movement
Testing:	Dye-Penetrant, PMI, X-Ray, and Hydrotested at 465 psig

U.S. Bellows custom designed 2 of these tied double elbow universal expansion joints for a liquid hydrocarbon service application at a paraxylene complex in Saudi Arabia. The bellows were fabricated from 304 stainless steel and the piping and hardware from carbon steel, and has a 3-coat paint system. The unit is 118″ CL-to-CL of the elbow, 132 3/8″ face-to-face, and 24″ OD. They are designed for an operating pressure of 310 psig at 400°F with 1 1/8″ of lateral deflection. The unit was hydro-tested at 465 psi, X-ray tested the bellows long seam and pipe, PMI all alloys, and 100% dye-penetrant exam on all weld prior to shipment

Custom Universal Hinged Expansion Joint Completed in less than 12 weeks for a Refinery in Texas

December 4, 2017

Type:	Universal Hinged Expansion Joint
Size:	86″ Height, 234″ Long, & 42″ OD
Material:	Inconel 625/Chrome-Moly/Carbon Steel
Design	1025°F at 45 psig, 3/4″ of Axial, & 12.5″ of lateral
Testing:	100% Radiographic Examined, Pneumatic Tested at 61 psi, Leak Tested at 51 psig, & Dye-Penetrant

U.S. Bellows custom fabricated this universal hinged expansion joint with oversized bellows, movement indicators, and test ports, in less than 12 weeks for a refinery turnaround in Texas. The unit is 86″ in height, 234″ long, and has a 42″ OD. The bellows were fabricated from Inconel 625, the piping from chrome-moly, the hinge hardware from carbon steel, and the covers from 304 stainless steel. It is designed for an operating temperature of 1025°F at 45 psig, with 3/4″ of axial compression and 12.5″ of lateral deflection. The unit was post-weld heat treatment and 100% radiographic examined the circumferential and long seams after the post-weld heat treatment, plus pneumatically tested at 61 psi, the bellows were leak tested to 15 psig between the plies, and dye-penetrant tested prior to shipment.

Single Expansion Joints for a Pipeline in Louisiana

October 30, 2017

Single Expansion Joints for a Pipeline in Louisiana

Type:	Single Expansion Joint
Size:	13.5″ Diameter & 6″ OAL
Material:	304 Stainless Steel \| CS
Design	300°F at 85 psig 1″ Axil & 0.10″ Lateral
Testing:	100% Hydro-tested

U.S. Bellows, Inc. designed these single expansion joints for a pipeline in Louisiana. The expansion joints are 13.5″ in diameter and 6″ OAL. The bellows and liner are fabricated from 304L stainless steel and the flanges from carbon steel. The expansion joints were designed for a temperature of 300°F at 85 psig with 1″ of axial compression and 0.10″ of lateral deflection. All expansion joints were hydro-tested prior to shipment.

Custom 335″ Long Universal Expansion Joint for an ACC Unit in New York

October 2, 2017

Type:	Universal Expansion Joint
Size:	118″ CL-to-CL, 132 3/8″ FTF, & 24″ OD
Material:	304 Stainless Steel/Carbon Steel
Design:	400°F at 310 psig & 1 1/8″ Lateral Movement
Testing:	Dye-Penetrant, PMI, X-Ray, and Hydrotested at 465 psig

U.S. Bellows custom designed 8 of these 335″ long universal expansion joints for a vacuum ducting service, exposed to high velocity steam and condensate for an ACC unit in New York. The bellows were completely fabricated from 304 stainless steel, with the weld-ends and hardware from carbon steel. The units are 127″ in diameter and 335″ in length. They are designed for an operating pressure at full vacuum to 15 psi at -10 to 250°F and 7.25″ of lateral deflection. The units were vacuum tested at 28.5″ of mercury, 100% dye-penetrant examined, and X-ray long seam bellows.

This expansion joint was featured in our lastest Technical Bulletin:
Click here to learn more about air-cooled condenser expansion joint

Externally Pressurized Expansion Joints for Pneumatic Conveying and Filtration at a Manufacturing Facility in Missouri

September 18, 2017

Type:	Externally Pressurized Expansion Joints
Size:	4″ Diameter & 57″ Length
Design:	304 Stainless Steel
Material:	500°F at 30 psig, 189 lb./in. Spring Rate & 8″ Axial
Testing:	Dye-Penetrant and Air Soap & Bubble

U.S. Bellows custom designed these externally pressurized expansion joints for pneumatic conveying and filtration at a manufacturing facility in Missouri. The units were completely fabricated for 304 stainless steel. They are 4″ in diameter and 57″ in length. These expansion joints are designed for an operating temperature or 500°F at 30 psig, with a spring rate of 189 lb./in. and can absorb 8″ of axial compression. The units were 100% dye-penetrant and air soap & bubble tested prior to shipment.

EPDM Rubber Expansion Joints for a Water Cooling Loop at a Chemical Plant in Saudi Arabia

September 5, 2017

Type:	EPDM Rubber Expansion Joints
Size:	9″ Diameter & 10″ Face-To-Face
Design:	EPDM Rubber/Carbon Steel
Material:	250°F at 225 psig, 3.5″ Axial Compression & 1.5″ Lateral Deflection
Testing:	Hydro tested

U.S. Bellows furnished these EPDM rubber expansion joints for a water cooling loop at a chemical plant in Saudi Arabia. The bellows are twin-open arch EPDM rubber and have a set of galvanized carbon steel retaining rings. The units are 10″ face-to-face and 9″ in diameter. They are designed for an operating temperature of 250°F at 225 psig with 3.5″ of axial compression, 1.5″ of lateral deflection, and 4° of angular rotation. The units were hydro tested at 1.5 times their design pressure prior to shipment.

106″ Tied Universal Expansion Joint for a pipeline in the UAE

August 14, 2017

Type:	Universal Expansion Joint
Size:	118″ CL-to-CL, 132 3/8″ FTF, & 24″ OD
Material:	304 Stainless Steel/Carbon Steel
Design:	400°F at 310 psig & 1 1/8″ Lateral Movement
Testing:	Dye-Penetrant, PMI, X-Ray, and Hydrotested at 465 psig

This tied universal expansion joint was designed by U.S. Bellows for a pipeline in the UAE. The unit is 24″ in diameter and 106″ in length. The bellows are fabricated from 304 stainless steel and the rest of the components from carbon steel. It is designed for an operating pressure of 15 psig at 194°F with an operating load of 501 lb/in. and 6″ of lateral deflection. The unit was 100% LP tested, X-ray examined, and hydro tested prior to shipment

Double Gimbal Expansion Joints with 2-Ply Bellows for a Chemical Plant

July 17, 2017

Type:	Double Gimbal Expansion Joints
Size:	30″ Diameter \| 198″ Length
Material:	2-Ply Bellows: Inconel 625 LCF \| Pipes: 316 H SS \| Covers & Liners: CS
Design:	5° Angular Rotation \| 1260°F \| 180 psig
Testing:	100% Dye-Penetrant \| PMI Examined \| Hydro-tested

U.S. Bellows custom designed and fabricated double gimbal expansion joints for a chemical plant in Arkansas. The assemblies are designed with 2-ply bellows which were fabricated from Inconel 625 LCF. The pipes are 316 H stainless steel and the covers and liners are carbon steel. The units are 30″ in diameter and have an overall length of 198″. The expansion joints were designed for 5° angular rotation at 1260°F and 180 psig. Prior to shipment, the units were 100% dye penetrant tested, PMI examined, and hydro-tested.

Neoprene and Fabric Expansion Joints for an Exhaust Duct Application in Hungary

July 3, 2017

Type:	Neoprene & Fabric Expansion Joints
Size:	59″ Dia./7″ face-to-face & 136″ x 54″ x 12″.
Material:	Fabric Reinforced Neoprene/Carbon Steel & PTFE Fabric Belt/304 Stainless Steel
Design:	-20°F-600°F with +/- 100″ water column, 1/2″ of Axial & Lateral
Testing:	100% Dye-Penetrant

These neoprene and fabric expansion joints were designed by U.S. Bellows for an exhaust duct application at a gas turbine facility in Hungary. The rounds are 59″ in diameter and 7″ face-to-face, and the rectangular is 136″ x 54″ x 12″. The rounds are fabricated from A572 Gr50 carbon steel with fabric reinforced neoprene belts and the rectangular has a PTFE fabric belt with 304 stainless steel framework. They are designed for an operating temperature from -20°F-600°F with +/- 100″ water column and 1/2″ of axial compression and lateral deflection. A dye-penetrant examination was conducted on the unit prior to shipment.

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Featured Product Archives

Single Expansion Joint for a Chemical Plant in Texas

Tied Double Elbow Universal Expansion Joints for a Liquid Hydrocarbon Service Application at a Paraxylene Complex

Custom Universal Hinged Expansion Joint Completed in less than 12 weeks for a Refinery in Texas

Single Expansion Joints for a Pipeline in Louisiana

Custom 335″ Long Universal Expansion Joint for an ACC Unit in New York

Externally Pressurized Expansion Joints for Pneumatic Conveying and Filtration at a Manufacturing Facility in Missouri

EPDM Rubber Expansion Joints for a Water Cooling Loop at a Chemical Plant in Saudi Arabia

106″ Tied Universal Expansion Joint for a pipeline in the UAE

Double Gimbal Expansion Joints with 2-Ply Bellows for a Chemical Plant

Neoprene and Fabric Expansion Joints for an Exhaust Duct Application in Hungary

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