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How should the spiral steel pipe be anti-corrosion in the water supply pipe
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How should the spiral steel pipe be anti-corrosion in the water supply pipe

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How should the spiral steel pipe be anti-corrosion in the water supply pipe

Update:2022-05-20   View(s):854   Keywords :How should the spiral steel pipe be anti-corrosion in the water supply pipe
Usually, we use epoxy coal tar paint. If the requirements are high, 3 oil and 2 cloth can be used. 3 coats of paint and 2 coats of fiberglass cloth, staggered construction. If it is required, the primer and topcoat of epoxy coal tar can be used directly, and each construction is twice. Simple and convenient, generally this is the solution.

The interior of the steel pipe depends on whether it is edible water. If it is, use environmentally friendly paint, such as epoxy polyamide paint. The base material of PE anti-corrosion steel pipe includes seamless steel pipe, spiral steel pipe, and straight seam steel pipe. The three-layer polyethylene (3PE) anti-corrosion coating is widely used in the oil pipeline industry due to its good corrosion resistance, water vapor permeability resistance, and mechanical properties. 3PE anti-corrosion steel pipe 3PE anti-corrosion steel pipe three-layer structure polyethylene anti-corrosion layer (3PE) combines the excellent properties of two kinds of anti-corrosion layers of sintered epoxy powder coating and extruded polyethylene, and combines the interface characteristics of sintered epoxy powder coating with The chemical resistance properties, combined with the mechanical protection properties of the extruded polyethylene coating, lead to a significant improvement in the respective properties. Therefore, it is very advantageous as an outer protective layer for buried pipelines.