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84″ & 14″ Dia. Single Expansion Joints Custom Designed for a Pipe Line in an Utility Plant
February 16, 2013

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

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.

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102″ Dia. Single Hinged Expansion Joint and Duct Work Assembly and Two 92″ Single Expansion Joints
February 4, 2013
119426b1

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.

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