Inside Epoxy Outside Polyethylene Coated Steel Pipe
Epoxy coated steel pipe
polyethylene coated steel pipe
Inner epoxy outer polyethylene anti-corrosion steel pipe is a kind of coated steel pipe, use the technique of internal spray epoxy powder, outer shower coating with polyethylene powder. The intermediate frequency-heating mode utilizes the waste heat of the tube to cure both at the same time, without separately coating the curing. Products inner coated with the food-grade epoxy, making the inner surface of the pipe more smoothly, not easy to breed microorganisms, to ensured the water quality and increased the flow rate. Outer shower coating with polyethylene powder, making the outer surface of plastic layer thickness increases, corrosion resistance is more remarkable.
Pipeline characteristics:
Mainly used in municipal water conservancy project (transport tap water, middle water, sewage), petroleum, chemical, natural gas, electricity, heat, sea water transport, coal and other fields. Apply to bury underground, overhead, underwater lying.
Inside Epoxy Outside Polyethylene Coated Steel Pipe
epoxy coated steel pipe
polyethylene coated steel pipe
Inner epoxy outer polyethylene anti-corrosion steel pipe is a kind of coated steel pipe, use the technique of internal spray epoxy powder, outer shower coating with polyethylene powder. The intermediate frequency-heating mode utilizes the waste heat of the tube to cure both at the same time, without separately coating the curing. Products inner coated with the food-grade epoxy, making the inner surface of the pipe more smoothly, not easy to breed microorganisms, to ensured the water quality and increased the flow rate. Outer shower coating with polyethylene powder, making the outer surface of plastic layer thickness increases, corrosion resistance is more remarkable.
Pipeline characteristics:
Mainly used in municipal water conservancy project (transport tap water, middle water, sewage), petroleum, chemical, natural gas, electricity, heat, sea water transport, coal and other fields. Apply to bury underground, overhead, underwater lying.
Inside Epoxy Outside Polyethylene Coated Steel Pipe
Epoxy coated steel pipe
Polyethylene coated steel pipe
Inner epoxy outer polyethylene anti-corrosion steel pipe is a kind of coated steel pipe, use the technique of internal spray epoxy powder, outer shower coating with polyethylene powder. The intermediate frequency-heating mode utilizes the waste heat of the tube to cure both at the same time, without separately coating the curing. Products inner coated with the food-grade epoxy, making the inner surface of the pipe more smoothly, not easy to breed microorganisms, to ensured the water quality and increased the flow rate. Outer shower coating with polyethylene powder, making the outer surface of plastic layer thickness increases, corrosion resistance is more remarkable.
Pipeline characteristics:
Mainly used in municipal water conservancy project (transport tap water, middle water, sewage), petroleum, chemical, natural gas, electricity, heat, sea water transport, coal and other fields. Apply to bury underground, overhead, underwater lying.
Inside and Outside Epoxy Coated Steel Pipe
Plastic-coated steel Pipe
Anti-corrosion Steel Pipe
Inside and outside epoxy coated steel pipe to maximize the advantages of both steel pipe and plastic pipe. Not only have the mechanical properties of steel, high strength, high stiffness, but also have the advantages of plastic pipe, anti-corrosion, smooth pipe wall, not breeding micro-organisms, no incrustation, water resistance coefficient is small. Compare with normal steel pipe the average water supply increased by 10% -15%, reducing the power consumption of water supply by 15%. Also has a good hygienic function, corrosion resistance, able to adapt to -30 ° -100 ° temperature range.
Mainly used in municipal water conservancy project (transport tap water, middle water, Sewage), petroleum, chemical, fire, seawater transport and other fields.
Inside and outside epoxy coated steel pipe to maximize the advantages of both steel pipe and plastic pipe. Not only have the mechanical properties of steel, high strength, high stiffness, but also have the advantages of plastic pipe, anti-corrosion, smooth pipe wall, not breeding micro-organisms, no incrustation, water resistance coefficient is small. Compare with normal steel pipe the average water supply increased by 10% -15%, reducing the power consumption of water supply by 15%. Also has a good hygienic function, corrosion resistance, able to adapt to -30 ° -100 ° temperature range.
Mainly used in municipal water conservancy project (transport tap water, middle water, Sewage), petroleum, chemical, fire, seawater transport and other fields.
Plastic-coated steel pipe
Anti-corrosion Steel Pipe
Inside and outside epoxy coated steel pipe to maximize the advantages of both steel pipe and plastic pipe. Not only have the mechanical properties of steel, high strength, high stiffness, but also have the advantages of plastic pipe, anti-corrosion, smooth pipe wall, not breeding micro-organisms, no incrustation, water resistance coefficient is small. Compare with normal steel pipe the average water supply increased by 10% -15%, reducing the power consumption of water supply by 15%. Also has a good hygienic function, corrosion resistance, able to adapt to -30 ° -100 ° temperature range.
Mainly used in municipal water conservancy project (transport tap water, middle water, Sewage), petroleum, chemical, fire, seawater transport and other fields.
3PE coating is based on Fusion Bonded Epoxy (FBE) as the bottom, the adhesive for the middle layer and extruded polyethylene for the outer sheath of the simultaneous winding or extrusion and become a whole. Integrated the excellent performance of epoxy coating and extruded polyethylene two anti-corrosion layer. The combination of the interfacial properties and chemical resistance of the epoxy coating with the mechanical protection properties of the extruded polyethylene anticorrosive layer, thereby significantly improving the respective properties. Pipe wall coated with Fusion Bonded Epoxy ((FBE), to solve the problem of pipeline corrosion, pipe roughness is small, smooth wall, hydraulic performance is good.
3PE coating is based on Fusion Bonded Epoxy (FBE) as the bottom, the adhesive for the middle layer and extruded polyethylene for the outer sheath of the simultaneous winding or extrusion and become a whole. Integrated the excellent performance of epoxy coating and extruded polyethylene two anti-corrosion layer. The combination of the interfacial properties and chemical resistance of the epoxy coating with the mechanical protection properties of the extruded polyethylene anticorrosive layer, thereby significantly improving the respective properties. Pipe wall coated with Fusion Bonded Epoxy ((FBE), to solve the problem of pipeline corrosion, pipe roughness is small, smooth wall, hydraulic performance is good.
3PE coating is based on Fusion Bonded Epoxy (FBE) as the bottom, the adhesive for the middle layer and extruded polyethylene for the outer sheath of the simultaneous winding or extrusion and become a whole. Integrated the excellent performance of epoxy coating and extruded polyethylene two anti-corrosion layer. The combination of the interfacial properties and chemical resistance of the epoxy coating with the mechanical protection properties of the extruded polyethylene anticorrosive layer, thereby significantly improving the respective properties. Pipe wall coated with Fusion Bonded Epoxy ((FBE), to solve the problem of pipeline corrosion, pipe roughness is small, smooth wall, hydraulic performance is good.
Spiral steel pipe is a strip steel as raw material, extrusion forming at normal temperature, automatic double wire double-sided submerged arc welding process welded spiral seam steel pipe.
Mainly used in water projects, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction, one of the 20 key products developed by China.
Spiral steel pipe is a strip steel as raw material, extrusion forming at normal temperature, automatic double wire double-sided submerged arc welding process welded spiral seam steel pipe.
Mainly used in water projects, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction, one of the 20 key products developed by China.
Function & Application
This product belongs to the system of epoxy resin powder coating, in possession of outstanding corrosion-resistance, chemical-resistance and solvent-resistance, able to resist chemical corrosion by H2S, CO2, O2, acids, alkalis, organics, etc in transmission media and corrosion by such corrosive substances as ground water containing salt, organic acids produced by the micro-organism in earth, as well as protect water distribution apparatus, e.g. iron or steel pipes and storage tanks. Our products meet the hygienic requirements for protective materials in Standard for Safety Evaluation of Equipment and Protective Materials in Drinking Water System (2001).
The product is mainly used for inner antisepsis of iron or steel pipes for drinking water and intermediate water transmission and anticorrosion of drinking water valves. It is also applicable to inner antisepsis of steel storage tanks, sewage treatment works, wharfs and the equipment of chemical plants.
Characteristics
1.This product coating is a single layer structure. Excellent adhesion with no need for priming coat.
2.Tough and abrasion-resistant coating, excellent impact-resistance and flexibility and outstanding adhesion to pipes can prevent mechanical damages in construction and damages caused by environmental stress in usage.
3.Outstanding insulation resistance helps to resist chemical corrosion under cathodic protection and be protective in a long term.
4.Its coating is compact, tough, waterproof and corrosion-resistant against chemical mediators.
Major Components
Epoxy resin, phenolic curing agents, SiO2 and titanium dioxide.
Usage
1) Remove oil, rust and other loose precipitation and water, etc.
2) Sandblasting and shotblasting treatment to Sa2.5 level, depth of abrasion pattern 40-100μm and surface cleaning to white level. Fresh and used sand should be paintcoated evenly for a stable proportion.
3) Clean the inner surface of pipes.
4) Preheat workpiece at 180-230℃ normally, lower than 260℃ (to prevent oxidation).
5) The powder coating is applied to the surface of the workpiece. The coating thickness is 250-350μm .
6) Curing according to relevant requirements.
7) Coating cooling.
8) Surface inspection after the workpiece cools under 95℃.
9) Recoat the missing part.
Curing Instruction:
Powder coating is paintcoated on preheated workpiece and cure it according to relevant requirements for optimal performance. The curing time of unpreheated workpiece should be calculated once it reaches curing temperature.
Notice:
Storage & Transportation:
Package:
Cartons for outer packing and polyethylene woven bags for inner lining, net weight 25kg.
Introduction
The product is a kind of weather proof double layer heavy duty epoxy compound powder, comprises of two layers of primer and finishing, to be applied directly to steel surface after sandblasted and heated. The primer layer is to provide protection for anticorrosion. The finishing layer is anti- scratch, anti-impact, anti-abrasion as the common advantage of epoxy coating, it is also featured with high shinning, UV-resistant, and superior durable, heat resistant, anti-corrosion, anti-powderization. The finishing layer is applied onto the primer layer. Two layers of powder are melted and solidified to an even, dense coating layer with solid jointing between two layers. The powder can be customized to a plenty of color with can’t be get from normal anti-corrosion layer. the coating will not fade, darken fast over time, even for the bright colors like white, light blue, pink, bright yellow, etc.
The coating is mainly used for anti-corrosion protection of oil and gas, municipal piping line, etc.
Feature
Excellent UV resistant and weather proof performance.
No need to apply primer painting before applying the coating.
Easy application, fast solidification, high working efficiency, suitable for working on coating line.
Coating has superior flexibility, toughness and anti bending performance. Easy for quality inspection.
Application Requirements
Powder to be applied to surface by high pressure electrostatic spraying.
Powder spray thickness: Primer layer (EPY2-VD) ≥ 300 μ m, finishing layer: (PPY2-VM)≥300μm, total thickness ≥600μm.
Average quantity: Primer layer (EPY2-VD)420g/m2, finishing layer: (PPY2-VM)420 g/m2.
Surface treatment: stand blasting or grit blasting.
Solidification condition: Primer layer (EPY2-VD)：（190～220）℃（/2~4）min, finishing layer: (PPY2-VM)：（190～220）℃/（2~3）min.
Solidification instruction: the powder shall be applied to pre-heated workpiece, solidified by remaining heat, reheating is normally not required unless wall thickness is too less or working temperature is too low.
Application Procedures:
1.Heating workpiece to allowed high temperature in short time, to remove the oil, dirt, rust, water and other sediments on the surface.
2.Sand or grit blasting workpiece surface to SA2.5 grade, dent depth to be 40~100μm, dust removing to be white grade. Adding new and old sand / grit evenly to keep the ratio of new/old sand / grit stable.
3.Clear again dust and blasting waste if workpiece and be heated and sprayed within short time.
4.Check salt level on workpiece surface, shall not be more than 20mg/m2.
5.Heating and powder coating must be done within 4 hours maximum after blasting. Re-blasting shall be done if more than 4 hours or surface is corroded or contaminated.
6.Temperature of workpiece shall be control in 190~230℃, shall not be more than 260 ℃ for preventing oxidation.
7.Finishing layer shall be done before primer powder gelled. Meanwhile, temperature needed by finishing layer powder solidification must be maintained.
8.Solidification process must follow the requirements.
9.Surface checking can be carried out after workpiece temperature decreases to 95℃.
10.Repair defective points if any.
Abrasion-resistant epoxy glass fiber anti-corrosion steel pipe has the following characteristics: with excellent mechanical and physical properties. FRP insulation corrosion pipe material density is lower than the traditional asphalt corrosion pipe, thermal expansion coefficient and the steel pipe is roughly the same heat transfer coefficient only 40% of the asphalt corrosion pipe is a good thermal and electrical insulator. Outside the glass fiber reinforced plastic anti-corrosion steel pipe surface with high strength impact resistance, in the transport and construction process is not damaged, better than other anti-corrosion pipeline.
Resistant to chemical corrosion, long service life. Outside the glass fiber reinforced plastic anti-corrosion steel pipe with glass fiber wound, unsaturated polyester curing molding, a good electrical insulation and chemical stability, contact with the charged medium, no electrochemical reaction, external anti-corrosion to prevent the laying of salt Alkaline soil on the outer wall of the tube corrosion, internal corrosion using epoxy powder coating or other anti-corrosion coating, to prevent the oil field corrosion.
High strength and durability. FRP insulation anti-corrosion pipe tensile strength up to 588MPa.
FRP anti-corrosion steel pipe from the external soil environment corrosion, work performance and stability, long service life. The use of 20 years of FRP pipe, the indicators were not attenuated.Glass fiber reinforced plastic pipe can be lined with cement mortar or coated with epoxy powder; can be applied to the municipal engineering water supply, heating network heating, water supply, gas transportation, buried water pipes and other pipelines, oil pipeline, chemical and pharmaceutical, printing and dyeing The process of transporting corrosive media. Can also be used as sewage treatment, sewage pipe and biological pool anti-corrosion engineering agriculture, agricultural watering pipe, deep well pipe, drainage pipe and other networks, erosion resistance is better than steel structure is conducive to steel fire and fire.
Inner epoxy outer polyethylene anti-corrosion steel pipe is a kind of coated steel pipe, use the technique of internal spray epoxy powder, outer shower coating with polyethylene powder. The intermediate frequency-heating mode utilizes the waste heat of the tube to cure both at the same time, without separately coating the curing. Products inner coated with the food-grade epoxy, making the inner surface of the pipe more smoothly, not easy to breed microorganisms, to ensured the water quality and increased the flow rate. Outer shower coating with polyethylene powder, making the outer surface of plastic layer thickness increases, corrosion resistance is more remarkable.
Pipeline characteristics:
Mainly used in municipal water conservancy project (transport tap water, middle water, sewage), petroleum, chemical, natural gas, electricity, heat, sea water transport, coal and other fields. Apply to bury underground, overhead, underwater lying.
Spiral steel pipe is a strip steel as raw material, extrusion forming at normal temperature, automatic double wire double-sided submerged arc welding process welded spiral seam steel pipe.
Mainly used in water projects, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction, one of the 20 key products developed by China.
Spiral steel pipe is a strip steel as raw material, extrusion forming at normal temperature, automatic double wire double-sided submerged arc welding process welded spiral seam steel pipe.
Mainly used in water projects, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction, one of the 20 key products developed by China.
Spiral steel pipe is a strip steel as raw material, extrusion forming at normal temperature, automatic double wire double-sided submerged arc welding process welded spiral seam steel pipe.
Mainly used in water projects, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction, one of the 20 key products developed by China.
Spiral steel pipe is a strip steel as raw material, extrusion forming at normal temperature, automatic double wire double-sided submerged arc welding process welded spiral seam steel pipe.
Mainly used in water projects, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction, one of the 20 key products developed by China.