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Case Studies

Acid Wash Exhaust Stack

In the steel industry, a pickling line helps to remove dross and impurities from the end product. The steel wire or plate is dipped into or passes through a bath of hydrochloric acid and comes out smooth and clean, but it’s a hot, wet and very corrosive environment.

Exhaust from these lines is scrubbed before venting outside, but in our Customer’s situation, their polyethylene / polypropylene stack had started to fail. The stack was cracking in places and condensate was leaking onto the roof, attacking the metal siding.

The project included engineering services (pipe stress analysis), pipe supports, fabrication of the fire retardant 28” dia. FRP stack and elbow, and shop and field assembly. The stack was an impressive 70 feet long once assembled, and it was installed without issue by a third party.

RPS Composites has worked in more than 40 countries around the world to provide customers with safe, timely, engineered composite solutions that provide decades of maintenance-free operation. To make the smart choice for your next project, click here to complete the Information Request form.