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What are the features of 3PE steel pipes and epoxy steel pipes?

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What are the features of 3PE steel pipes and epoxy steel pipes?

What is Epoxy coated steel pipe (FBE Fusion Bonded Epoxy)?
FBE coating pipe is Fusion Bonded Epoxy coating steel pipe. It is an externally applied thermal resin for piping.Use a dry powder form of 400-600 microns thick on the surface of the heated pipe.Once the FBE is coated on the pipe surface, the FBE film provides an extremely hard surface and has good adhesion to the pipe surface.The FBE layer is homogeneous and has good resistance to chemical reaction.
What are the features of epoxy steel pipes?
Epoxy coating steel pipes have the advantage of spray coating is convenient, no pollution, high temperature resistance (to 40 ° C to 85 ° C).
High strength and bending resistance;
Strong adhesion, integrity, resistance to soil pressure and abrasion resistance.
FBE epoxy coating steel pipe is usually buried in soil and underwater - temperature between 40 ~ 85 ℃.
On the other hand, the defect of FBE epoxy steel pipe is that it has no good resistance to mechanical properties and moist conditions.
3PE steel pipes and epoxy steel pipes
What is 3PE steel pipe?
3PE epoxy coated steel pipe has 3 layers of coating, the first layer of FBE coating, the middle layer is adhesive layer, and the outer layer is polyethylene layer.3PE coated steel pipe is another new product developed on the basis of FBE coating since the 1980s. It contains adhesive and PE (PE) coating.3PE can enhance mechanical properties of pipeline, high resistance, waterproof, wear-resistant and anti-aging. It protects the pipe from heat loss that only accounts for a quarter of the pipe.
3PE epoxy coated steel pipe comprises 3 layers:
For the first layer, which is fused bonded epoxy resin, the thickness is greater than 100 degrees Celsius.(FBE>100 microns)
The second layer is the adhesive, the effect is to bond epoxy resin and PE layer.(170-250 A.D.)
The third layer is PE layer, which is polyethylene, with the advantages of water resistance and mechanical damage resistance.(from 300-1020 mm)
Therefore, 3PE coated pipe integrates the advantages of FBE and PE.It is increasingly used in underground pipelines to transport water, gas and oil.
In case of manufacturing equipment, 3PE coated steel pipe manufacturers, they can also make FBE coated pipe.
Compare between 3PE and epoxy steel pipes