What Is The Advantage Of The 3PE Coating Pipe

3PE coated pipe is the most advanced technology for the pipe anticorrosion. It puts together the advantage of the 2PE coating pipe and FBE coating pipe while at the same time avoids their weaknesses. Each layer of the 3PE coated pipe has its unique function in the coating structure.

The epoxy layer is for the main anticorrosion function. It has strong connection with the surface of the bare steel pipe, favorable cathodic disbondment property, wide temperature range (-40 degree -100 degree ) and low water-absorbing quality.

The PE layer has favorable electrical insulation property, low water-absorbing quality and strong resistance to mechanical damage. This layer mainly has function of mechanical protection and anti-corrosion.

So 3PE coated pipe is a kind of composite system of these three layers with different functions, making the whole system is with all the functions to better protect pipeline.Normal bare pipe will be corroded in the severe environment and its lifetime will be reduced, making the construction and maintainance cost very high. But due to every layer of the 3PE coating system has its good performance, the 3PE coated pipe can protect the pipe in the severe environment and extend its lifetime to 30-50 years even longer. it can significantly reduces the construction and maintainance cost for the pipeline. At the same time, the 3PE coated pipe has favorable thermal insulation property, the thermal losses is just 25% of the traditional pipe, saving a lot of energy cost during operation. At last, the 3PE coated pipe can directly be laid underground or in the water even directly in the frozen earth because of its good anticorrosion property and impact resistance property in the low temperature, no need to construct ditch.

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