What kind of valve is used for naphthenic acid corrosion?

2009-02-04View Original

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What kind of valve is best to prevent naphthenic acid corrosion?

Reply #22009-02-04

The core of the water cooler is made of carbon steel, fresh water or circulating water is used on the tube side, and wax oil is used on the shell side. The welding joint between the tube plate and the tube bundle is seriously corroded. What measures should be taken?

Reply #32009-02-04

Valve material resistant to naphthenic acid corrosion: Stainless steel series 316L, 317L, etc. are the best. 304, 321, 316 are also resistant to naphthenic acid corrosion. In addition to stainless steel series, there are Cr5Mo steel, rare earth alloy steel, etc. that are resistant to high temperature sulfur corrosion.

Reply #42009-02-04

316L Mo》2.5%

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What kind of valve is used for naphthenic acid corrosion?

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