PU Insulation Pipeline Anti-corrosion Coating Pipes
Pipeline anticorrosion insulation coating (Insulation) pipe is suitable for conveying various media in the range of - 50 ℃ - 150 ℃, used for central heating, central cooling and conveying hot oil, etc.
Reduce the heat losses of heating medium during conveying, make the pipe outside surface temperature is not too high (no more than 60 ° C), avoid scalding operation maintenance personnel.
Main material & Performance
Pipe insulation material is initially asbestos dust, diatomite, vermiculite, later when slag cotton, glass cotton, perlite, etc.Since the seventy s, thanks to the rigid polyurethane foam materials of low density, high strength, low thermal conductivity, and the advantages of molding process simple, pu heat preservation pipe occupies the dominant position.
The actual heat preservation effect of pipeline, depends on the waterproof, thermal insulation layer and thermal insulation material of porous absorbent strong, need waterproofing membrane (common asphalt anticorrosive coating glass cloth and polyethylene jacket protective layer).
Referenced standard
SY/T4015-1996
1. Composed of anticorrosion layer, insulation layer and protective layer.
2. Designing decides the anticorrosion layer material and thickness, but the thickness should not be less than 80μm.
3. The insulation layer thickness should insure lowest cost, but should not be less than 25mm.
4. Protective layer thickness should be determined by pipe diameter and construction technology, but should not be less than 1.2mm.
5. The anticorrosion insulation layer ends should be sealed by waterproof cap.
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