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Custom 335" Long Universal Expansion Joint for an ACC Unit in New York (PT&P Ref#152499) 10/02/2017
Custom 335" long Universal Expansion Joint for an ACC Unit in New York
Type: Universal Expansion Joints
Size: 127" Diameter & 335" Length
Material: 304 Stainless Steel/Carbon Steel
Design: -10-250°F at 15 psig & 7.25" Lateral
Testing: Vacuum Tested at 28.5" of Mercury, 100% Dye-Penetrant, and X-Ray

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 Techinical Bulletin:
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