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Stevenal, what do you mean by that? in yours opinions, which is the most recommended material for the application of high flow and high pressure seawater, especially with the high presence of biofouling. ? did you think that CS with copper based antifouling paint it's a solution for long-term...

Stevenal, There is no cathodic protection. Please find attached an illustrative schema for pipe segmenthttps://files.engineering.com/getfile.aspx?folder=2a40b88b-801a-4ea0-a735-dff5c7c89035&file=cathodic_protection.png

Hello, Thanks for all your anwsers, is very helpful. There was a biocid injection in time, but now there's no. Please find attached annother picture of internal seawater pipe...

Thanks MJCronin for yours answers; there is a mistake i correct : Pipe material is E-36 internal coated interzone 954 . ( see attached picture) external coated bitum https://files.engineering.com/getfile.aspx?folder=00133fb0-05a0-4db4-8898-32015175797d&file=intenal_coated.png

Thanks mk3223 for your answers, please find attached the picture of internal pipe corroded . More information is below : Material : S235 CS, condition of function : 24h/24/h 7j/7j ... Flowrate 30000 mcph The system has been running for 10 years approx. Nacl 40g/l Matière organique...

Hello, I share with you an illustrative photo of the prematurely degradation of a seawater pipe DN 1750mm, Pression 6 bars, a few months ago, we suspect that this is microbiologique corrosion Please share with us the problem causes of these mode of...

Many thanks Ed Clymer anwsers.

Hello, I think my question is clear! i will reformulate it, what are the methods of non-destructive testing to be applied to equipment in FRP, especially those in service.

Hello, I would like to know the types of non-destructive Test for operationnal FRP equipement . Urgent.

Hello, We are looking for companies operating in the field of deluge sprinkler system to abate gas ammonia we have a 150m3 pressure storage capacity unit Any suggestions please. Many thanks.

Hello, We are looking for companies operating in the field of deluge sprinkler system to abate gas ammonia we have a 150m3 pressure storage capacity unit Any suggestions please. Many thanks.

Thanks a lot

Hello, We are looking for companies operating in the field of deluge sprinkler system to abate gas ammonia we have a 150m3 pressure storage capacity unit Any suggestions please. Many thanks.

Hello, We are looking for companies operating in the field of deluge sprinkler system to abate gas ammonia we have a 150m3 pressure storage capacity unit Any suggestions please. Many thanks.

Hello colleagues , Many thinks for you answers,

Hello EdStainless, I would to thank you for your reactivity, moreover, the temperature of the circulated fluid: 65°C-70°C, I want just to rectify information, the problem is a corrosion + erosion (not an abrasion), rate of solid in suspension > 20% for the materiel is 1.4517...

Dear colleagues, I would like to know your opinion about a problem which always persists of our fertilizers plant of the phosphate-enriched fertilizers (TSP) and nitrogenized (DAP/MAP/NPS….). after 7 months of the commissioning of our centrifugal pumps of washing of gases, we have sudden...