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Corrosion Under Insulation (CUI)

RES POWERTHERM CONTRACT SERVICES LTD Corrosion Under Insulation (CUI) CUI is a very acute form of corrosion, the main cause of which comes through water intrusion. It is an issue that has troubled the oil & gas, petrochemical and chemical processing industries for many years and has resulted in plant designers having to ensure they have better insulation systems within their designs. When steel meets moisture that has become contaminated from insulation materials, and has a free supply of oxygen, it results in corrosion under insulation. SOME OF THE MOST COMMON CAUSES OF CUI ARE: Damage to the cladding surface and seems Poorly designed/installed insulation systems Poorly reinstated cladding after inspection/ maintenance works Changes in pipe operating temperatures due to process demands THE FIVE MAIN WAYS IN WHICH CUI CAN BE PREVENTED ARE: Insulation System Design Specially designed insulation systems can help to combat corrosion under insulation. Specialist Protective Coatings Specialist coatings such as Thermally Sprayed Aluminium can greatly improve lifecycles, extending future requirements for maintenance. Maintenance Processes Regular maintenance procedures must be carried out thoroughly and to higħly accurate standards to monitor asset integrity and to help prevent CUI. Insulation Materials Selecting the right insulation to meet specification requirements will increase the quality, reliability and durability of insulation systems. Weather barriers Protecting pipework from the elements can help prolong their lifespan. Powertherm Contract Services is a multidisciplinary industrial service provider with 30 years of experience, offering a range of industry-renowned services across the UK. They have launched a revolutionary, patented (GB 2539595 A) new product called the Space-Ring System, which safeguards against CUI, for more details please visit RES POWERTHERM CONTRACT SERVICES LTD SPACE-RING SYSTEM EXTERNAL CLADDING SPACE-RING P POWERTHERM U CONTRACT SERVICES LTD PIPE SPACE-RING SYSTEM INSULATION AIR SPACE DRAINAGE HOLES Rs: POWERTHERM nqa. CONTRACT SERVICES LTD ISO 9001 SafeContractor UKAS MANAGEMENTr SYSTEMS QUALITY MANAGEMENT APPROVED 015 0114 288 9119 [email protected] Francis House, Orgreave Drive, Handsworth, Sheffield, S13 9NR

Corrosion Under Insulation (CUI)

shared by ObjectiveCreative on Jan 21
This infographic gives a basic overview about CUI, the common causes of CUI and the ways in which to prevent it from happening.


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