Featured Product Archives Archives

64″ Dia. Elbow Pressure Balanced Expansion Joint Designed for an Exhaust Duct

May 12, 2013

U.S. Bellows designed and manufactured a 64” diameter custom elbow pressure balanced expansion joint for an exhaust duct in a power plant in Alberta, Canada. It is 386” in overall length and is fabricated from carbon steel with 321 stainless steel bellows. This expansion joint is designed for 1-1/8” axial movement, ½” lateral movement at 482°F and 174 psig. Tests performed on the unit include 100% dye penetrant, x-ray, and ultrasonic on pressure bearing welds. The unit was also hydrotested at 291 psig prior to shipment.

Single Expansion Joints Designed for Gas Service in Peru

April 27, 2013

Type:	Single Expansion Joint
Size:	3″ to 56″Diameter
Material:	321 stainless steel, 316L flanges, carbon steel covers
Design	194°F at 22 PSIG
Testing:	100% Dye-penetrant \| Soap, and Air

These single expansion joints are 20″ in overall length and range in diameter from 3″ to 56″. They are composed of 321 stainless steel bellows, 316L flanges, and angles, and include carbon steel covers. The expansion joints were designed for 194°F at 22 PSIG and were dye penetrant examined and soap and air tested prior to shipping to Peru.

Refractory Lined Expansion Joint Designed for a Clean Fuels Project

April 14, 2013

$Refractory Lined Expansion Joint Designed for a Clean Fuels Project$
This refractory lined expansion joint is composed of 321 stainless steel bellows and A588-A Corten angle flanges. It is lined with a 4″ thick refractory lining and measures 7″-2″ x 4″-6″ x 134″ F-F. The expansion joint was dye penetrant tested and will be utilized in flue gas service associated with a clean fuels project at an oil refinery.

54″ Dia. Refurbished Custom Crossover Expansion Joint

March 7, 2013

U.S. Bellows refurbished a 54″ dia. custom crossover expansion joint for a power plant in Kansas. The flow end and balancing end bellows were replaced. The pressure balanced expansion joint was designed for 1″ axial movement at 700°F and 150 psig. The bellows longitudinal weld seams were 100% x-rayed and the assembly was hydro-tested at 180 psig prior to shipment. The refurbishment was completed in three weeks to meet the customer’s outage requirements.

Universal Expansion Joints Custom Designed for a Bioenergy Plant

March 2, 2013

These universal metallic expansion joints were custom designed for a pipe line in a bioengergy plant. They range from 20″ to 30″ in diameter, and are designed for 2″ lateral movement with a 1,362 lb/in. spring rate. The expansion joints are fabricated entirely from 304 stainless steel and designed for 250°F and 30 psig. Each unit was 100% dye penetrant examined and air tested prior to shipment.

84″ & 14″ Dia. Single Expansion Joints Custom Designed for a Pipe Line in an Utility Plant

February 16, 2013

Type:	Single Expansion Joint
Size:	14″ dia. and 84″ Diameter
Material:	304 stainless steel
Design	spring rate of 2,530 lb/in., 1″ axial movement at 300°F and 37 psig
Testing:	100% Dye-penetrant \| Hydro-tested

U.S. Bellows custom designed 14″ dia. and 84″ dia. single expansion joints for a pipeline in a utility plant in Colorado. The bellows are 304 stainless steel and carbon steel was used for the flanges and tie rods. The assemblies were designed for a spring rate of 2,530 lb/in., 1″ axial movement at 300°F and 37 psig. The assemblies were dye penetrant examined and air tested with a delivery of 12 weeks.

102″ Dia. Single Hinged Expansion Joint and Duct Work Assembly and Two 92″ Single Expansion Joints

February 4, 2013

119426a1

U.S. Bellows designed a 102″ dia. single hinged expansion joint and duct work assembly, along with two 92″ single expansion joints for a coal gasification facility in Mississippi. Both the assembly and expansion joints were fabricated from carbon steel with 304 stainless steel bellows, and designed for 3.6° angular movement at 825°F and 3 psig. The expansion joints were dye penetrant examined, 100% x-rayed and soap and air tested prior to shipment.

Pressure Balanced Tee Expansion Joint Designed for a Boiler Feed Pump Turbine Exhaust

January 20, 2013

Type:	Single Expansion Joint
Size:	96″ Dia. x 288″ OAL
Material:	carbon steel with 304 stainless steel
Design:	2″ axial movement at 315°F and 15 psig
Testing:	100% Pneumatic-tested

This pressure balanced tee expansion joint was custom designed for a boiler feed pump turbine exhaust in a power plant. It is 96″ Dia. x 288″ OAL and fabricated from carbon steel with 304 stainless steel bellows, turning vanes and liners. It is designed for 2″ axial movement at 315°F and 15 psig. The expansion joint was dye penetrant examined, and a chemical cleaning of the interior surfaces was performed to remove any oil and grease. U.S. Bellows also performed a pneumatic test at 23 psig.

36″ Dia. Tied Universal Expansion Joint with Stainless Steel Bellows

January 7, 2013

This tied universal expansion joint is 36″ Dia. x 47-3/8″ OAL and is fabricated from carbon steel with stainless steel bellows. It is designed for 1/2″ lateral movement, 3,116 lb./in. lateral spring rate at 200°F and 100 psig. The expansion joint was dye penetrant examined and hydrotested prior to shipment.

42″ Dia. Single Tied Expansion Joints Designed for a Solar Electric Generation Facility

November 26, 2012

Type:	Single Expansion Joint
Size:	40″ and 42″ diameter
Material:	304 Stainless Steel \| Carbon Steel
Design	lateral movement of 1/2″, and 15 PSIG at 250°F
Testing:	100% Dye-penetrant \| Hydro-tested

These single tied expansion joints are 40″ and 42″ diameter and were designed for a solar electric generation facility. The bellows and flow liner are 304 stainless steel. The stub ends are fabricated from carbon steel. The expansion joints were designed for a lateral movement of 1/2″, and 15 PSIG at 250°F. They were 100% dye penetrant examined and hydro-tested prior to shipping to California.

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Featured Product Archives

64″ Dia. Elbow Pressure Balanced Expansion Joint Designed for an Exhaust Duct

Single Expansion Joints Designed for Gas Service in Peru

Refractory Lined Expansion Joint Designed for a Clean Fuels Project

54″ Dia. Refurbished Custom Crossover Expansion Joint

Universal Expansion Joints Custom Designed for a Bioenergy Plant

84″ & 14″ Dia. Single Expansion Joints Custom Designed for a Pipe Line in an Utility Plant

102″ Dia. Single Hinged Expansion Joint and Duct Work Assembly and Two 92″ Single Expansion Joints

Pressure Balanced Tee Expansion Joint Designed for a Boiler Feed Pump Turbine Exhaust

36″ Dia. Tied Universal Expansion Joint with Stainless Steel Bellows

42″ Dia. Single Tied Expansion Joints Designed for a Solar Electric Generation Facility

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