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the inner and outer walls of plastic-coated steel pipes are coated with epoxy resin, the surface is smooth, the fluid resistance is reduced, the flow rate is increased, no scale is formed, and microorganisms generally do not grow. the service life of the fire water supply (gas) pipeline is greatly improved by coating the water delivery, buried pipe, acid, alkali, and salt corrosion of the fire water supply (gas) pipeline with plastic. the service life can reach more than 50 years. the fire pipe pressure range is 0-2.5mp. fire protection plastic-coated steel pipes are based on steel pipes. the outer wall adopts a thermosetting powder coating, which has high adhesion, impact resistance, corrosion resistance, and weather resistance. the inner wall is made of thermoplastic powder coating with high adhesion, corrosion resistance, and food-grade hygiene. the inner and outer plastic-coated composite steel pipes for water supply are manufactured by sandblasting chemical double pretreatment, preheating, inner and outer plastic coating, curing, post-treatment, and other processes. it is a cost-effective product upgraded from traditional steel-plastic pipes and galvanized pipes. the products have passed the professional certification of the national solid fire extinguishing system and the quality inspection center of fire-resistant components.
by coating steel pipes or galvanized pipes with plastic for anti-corrosion, the problems of corrosion and scaling in the process of embedding and transportation of ordinary steel pipes are solved. eliminate pipe blockage and spray blockage, improve the service life of the pipe, and the service life of the plastic-coated steel pipe can reach more than 50 years. the powder coating for plastic-coated steel pipes is added with a flame retardant and modified by epoxy resin powder. the coating has excellent temperature resistance and will not burn or soften after long-term use.
product features of plastic-coated steel pipes inside and outside:
1. hygienic, non-toxic, non-polluting, micro-organism-free, ensuring fluid quality
2. resistance to chemical corrosion, soil, and marine biological corrosion, cathodic stripping
3. the installation process is mature, convenient, and fast, similar to the connection of ordinary galvanized pipes
4. extremely flame retardant, non-combustible at 300°c
5. the pipe wall is smooth, which improves the conveying efficiency and has a long service life