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Tag: Long Universal Expansion Joint

24 Foot Long Universal Expansion Joint Custom Designed for a Steam Turbine
July 16, 2018

148702a1

Type: Rectangular metallic Universal Expansion Joint
Size: 291.75″ long x 62″ wide x 76″ high
Design:  Operating Temperature Range: 850°F
Pressure: 1.5 PSIG
Movement: 1.5″ Axial Compression
Material:  A36 Carbon Steel and 304 Stainless Steel
Testing: 100% Dye Penetrant Test and Pneumatic Test

U.S. Bellows custom designed this universal rectangular expansion joint for a steam turbine facility in Alaska. The bellows and liner were fabricated from 304 stainless steel and the weld ends from A36 carbon steel. The unit is 62″ wide, 291.75″ in length, and 76″ in height. It is designed for an operating temperature up to 850°F at 1.5 psig and 1.5″ of axial compression. The expansion joint was 100% dye-penetrant tested and pneumatic tested prior to shipment.

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Custom 335″ Long Universal Expansion Joint for an ACC Unit in New York
October 2, 2017

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

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

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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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