API 3PE COATING STEEL PIPE
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Coating pipe is the pipe that is by the processing after the corrosion, which can effectively prevent or slow the steel pipe occurs in the course of transport and chemical or electrochemical reaction corrosion phenomena. Coated steel pipe can effectively prevent or slow down the corrosion of steel pipes to extend service life and reduce operating costs pipe.
|Product name||3PE Anti-Corrosive Coating Pipe|
|Out diameter||21.3mm-3048mm, 1/2”-120”|
Liquid Epoxy Paint
PE, 2PE, 3PE (Polyethylene);
2PP, 3PP (Polypropylene)
Epoxy Coal Tar; Epoxy Coal Asphalt;
Cement Mortar Lining;
Polyurethane Foam Insulation
Blue 3PE/ FBE
Interzone 954 Paint
Heat/ Cold Shrinkable Tapes
Plastic/ Rubber Lining
|Standard||DIN30670, CAN/CSA-Z245.21-M92, CAN/CSA-Z245.20-M98, AWWA C210,|
|Quality grade||First class, prime, newly produced|
|End||Plain end, beveled, spigot & socket joint, cut square, grooved, threaded and coupling, etc.|
|Packing||Small sizes packed by steel strips into bundles, big sizes in loose pieces; can be packed as customers’ special requirements|
Dry Film Thickness Measurement
Peeling Strength Test
Cathodic Disbonding Test
Impact Strength Test
|Application||- Used for buried or submerged service
- For oil or gas pipeline systems
- Used in the potable-water-supply industry for steel water pipelines installed underground or underwater, under normal construction conditions.
- Preformed directly buried insulating pipes for polyurethane(PUR) foamed-plastics and high density polyethylene(PE) protect pipes
Polyethylene anticorrosive steel pipe is a new type of steel-plastic composite pipe, which is composed of steel pipe substrate, epoxy resin inner coating and polyethylene outer coating.Widely used in water conservancy, electric power, chemical, petroleum and many other industries.
1) anti-fouling and anti-mothproofing of the inner wall of the pipe will not be fouled by Marine or microbial stations such as shellfish and fungi in sewage.
2) the inner coating of the pipe is smooth, and the fluid friction resistance is less than that of the PCCW and ductile iron pipes.
3) the corrosion resistance of the inner wall of the pipe is better than that of the common PCCW and ductile iron pipes.
4) the single-layer polyethylene powder thermal spraying layer on the outer wall of the pipe has strong soil corrosion resistance and environmental protection.
5) complete pipe fitting specifications, can adapt to various installation needs.
6) the pipe can be connected by welding, clamp, flange and other forms.
7) direct connection electric welding is simple and reliable for repairing mouth and wound.
8) the design life of internal and external anticorrosive coating can reach more than 50 years.
Internal epoxy and external polyethylene anticorrosive steel tube is a combination of coating anticorrosion and deformation resistance.The outer coating is coated with polyethylene, the coating thickness is uniform, the coating is closely combined with the steel tube, and the cathodic protection efficiency is improved.The inner coating adopts thermosetting epoxy coating, which has no influence on water quality. It can be applied in urban water supply and drainage pipe network and long-distance pipes for conveying tap water, sewage, water and sea water of various water quality, and also can be used as oil, gas and oil and gas mixed medium conveying pipes.And the comprehensive cost of internal epoxy and external polyethylene anti-corrosion steel pipe is low, is in line with the green, environmental protection, low carbon, energy saving excellent products.
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