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Coating

Coating introduction

The oil and gas industry often presents an array of unique challenges and when it comes to coatings, there’s absolutely no room for compromise. MAN Industries offer a wide range of external coating solutions to fulfil customers need from anti-corrosion protection and negative buoyancy requirement and internal coating solution to provide flow efficiency and corrosion protection for natural gas, water and production pipelines.

We offer external coatings and internal linings that reliably and durably protect steel pipes against corrosion and mechanical impact in difficult terrain, harsh environments and extremely aggressive media.

Type of Coating

1. External Coating System

Specifications

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Type of External Coating

2. Internal Coating System

We offer variety of coating options that protect internal Pipe surfaces from the effects of corrosion and erosion, as well as reducing friction and turbulence in order to increase flow efficiency. The coating also acts as protection while in storage and during transportation. The thickness of internal coating varies from 70 micron to 1000 microns

Specifications

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3. Concrete Weight Coating (CWC)

Concrete weight coating provides reliable negative buoyancy as well as protection from harsh environments and mechanical damage that can occur—to both the pipe and its anti corrosion coating—during handling, transportation and pipe installation. The concrete weight Coating is used for:
  • Offshore pipelines
  • Pipelines in wetland environments
  • River/Road crossings.
A concrete pipe coating can be applied over anti-corrosion coating and applied in different densities to meet each project’s unique needs. Their excellent compression resistance meets the most stringent international specifications.

Plant Capability

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Production Process

The concrete is prepared in an automated batching plant using aggregates (e.g., sand, iron ore), cement and water. The mix is applied on the pipe by impingement while one or more reinforcing wire meshes are incorporated, depending on the required coating thickness

Production Process Flow

Types of Coating & Production Capabilities

Plant/Facility Type of Coating Diameter Range Capacity (Sqm/Annum) Specifications Followed
Coating – 3 3LPE: Three Layer Polyethylene 4 to 130 6.0 million FBE CSA Z245.20, ISO 21809-2 NACE SP0394 DEP 31.40.30.32 (Shell 2011) GS EP COR 222 (TOTAL) AWWA C213 (2007) 3LPE CSA Z245.21, DIN 30670 ISO 21809-1, ISO 21809-4 DEP 31.40.30.31 (SHELL) GS EP COR 220 (TOTAL)
3LPP: Polypropylene 4 to 130 6.0 million
FBE & DFBE: Fusion Bonded Epoxy/ Dual Layer 4 to 130 6.0 million
Internal Epoxy Flow Lining 12 to 130 6.0 million API 5L RP 2, ISO 15741, AWWA C210
Concrete Weight Coating 16 to 48 0.12 million Concrete Density: Up to 3400 Kg/m3 or as per customer requirements Concrete Thickness: up to 120 mm

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