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Pipeline Concrete Weight Coating  (CWC)

Product Introduction 

A coating that provides mechanical protection and counterweight (negative buoyancy) for the outer surface of metal pipes and anticorrosion coatings.
Product Advantage
Compared with pipe in pipe, CWC pipe can save a lot of steel, reduce the labor strength of pipeline installation and construction, and reduce operating costs.
Product Characteristics 
The thickness and density of the CWC can be adjusted according to the requirements of different projects, and the coating has strong impact resistance.
Product Size

(a)Single pipe length: 8-18m;
(b)Pipe diameter: OD168.3mm-1219mm.

Product Performance 

(a)Performance better than: International standard ISO 21809-5;
(b)National Energy Administration issued standard SY/T 7398;
(c)CNOOC enterprise standardꦉ Q/HS 3017 and other standard requirements.

Application Scope 
ubmarine pipelines for oil, gas and water-related industries and pipelines crossing swamps and lakes.
Manufacturing Capability 

·φ168.3mm-φ508mm：1.3-1.8km/8h。
·φ508mm-φ1219mm：1.0-1.2km/8h。

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