#036 – Penstock

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Penstock

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Case History #036 REV.04-97

Carbon steel, welded construction hydro penstock with a 250-foot head developed concentrated corrosion. The penstock was first dried thoroughly.

Abrasive-blasting followed to remove the failed lining, clean the substrate to SSPC-SP5 Standards and install a 3-mil minimum anchor profile.

Two coats of Arcor™ S-30 were spray-applied at 20 mils per coat for a total DFT of 40 mils. Arcor™ TS-RB rebuilding material was installed between coats where pitting was evident.

Blasting surface clean.

Application of ARCOR S-30.

Unit complete with ARCOR S-30 top-coat.

Related Case Histories:

Related Links:
ARCOR S-30
ARCOR TS-RB

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