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DuraPol UHT Continues to Protect Teal Cooling Coil at Shell UK E&P

DuraPol UHT continues to protect Shell UK E&P’s Teal cooling coil after 5 years service. Operating at 130°C with – 800mV CP this pyramid shaped super duplex coil is located at the well head and is key to reducing the temperature of the hot hydrocarbon mix from deep wells. DuraPol UHT has prevented hydrogen and chloride induced stress corrosion cracking of these high chromium steels and has also prevented marine growth and fouling. A number of cooling coils and high temperature duplex alloy spools and valves have been coated since 2004 with complete success. Shell identifies DuraPol UHT as an acceptable coating to protect subsea structures at temperatures up to 152°C in accordance with a clause in Shell DEP-Gen

Eon Babbage Project

DuraPol UHT specified by Technip in the Eon Babbage project to protect duplex subsea components in high temperature service.

Superior Protection against Sulphuric Acid

A modified version of DuraPol UHT called DuraPol UHT-S has been used to protect stainless steel acid tank roofs. Other coatings claim to resist but gradually degrade, discolouring the acid red. DuraPol UHT-S will not, and so is ideal for tanks containing technical grade acid. We are currently working with a major sulphuric acid manufacturer to protect their tanks from acid corrosion. Previously fluoropolymer sheets were bonded to the roofs but these peeled away in a matter of months resulting in severe corrosion.