basic 1 min read
CTE Coating
● It’s a Coal Tar Enamel (CTE) Coating. ● 1st Coat : Coal Tar Primer – 50 to 75 Microns. ● 2nd Coat : 1st hot…
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basic 1 min read
3LPE Coating
1. It’s a 3 Layer Polyethelene Coating / FBE Coating. 2. 1st Layer : Fusion Bonded Epoxy – 50 Microns (200 to 300…
basic 1 min read
Coat Testing
1. Check for holiday at 25 KV for 3LPE Coating and 15KV for CTE Coating. 2. Mark pipes for teting e.g. peel…
basic 1 min read
Coating Process
1. Bare pipe visual inspection : Pipe no., Heat No. Length, Dia, Thickness, bevel and body damages like dents, gauges etc.…
basic 1 min read
Internal Coatings
1. Internal coatings, such as fusion bonded epoxy or two pack phenolic epoxy paint (flow coat), may be used in the…
basic 2 min read
Provisions for corrosion monitoring
1. For buried or submerged pipelines, the occurrence of coating damage is normally monitored by cathodic protection measurements (refer to DEP…
basic 1 min read
Internal Corrosion
1. Linings may be used for internal corrosion protection, provided the lining material does not degrade following long-term exposure to the…
basic 3 min read
Pipeline Corrosion and Coatings
Onshore Pipelines 1. All metallic buried pipelines including duplex material pipelines, shall be coated externally. 2. Pipelines shall be coated externally by…
basic 1 min read
Pipeline Stringing
1. Stringing shall be done after blasting and trenching when ROU is in rocky area. 2. Coated pipes shall be strung on…
basic 1 min read
Laying Pipeline in Swamps
1. Two methods may be considered for the installation of pipelines in swamps: 1. The flotation method, where the pipeline is laid…
