Труба 3PE

Enhanced Corrosion Defense

The three-layer polyethylene coating forms a robust barrier against corrosion triggers such as moisture, chemicals, soil, and other environmental aggressors. This benefit is especially significant for installations located underground or underwater.

Extended Operational Longevity

Owing to their corrosion-resistant design, 3PE pipes help minimize maintenance demands and prolong the overall service life of pipeline networks, thereby reducing the frequency of costly replacements.

Remarkable Durability and Impact Resilience

Engineered to withstand considerable mechanical stress, abrasion, and impact, these pipes are ideal for environments prone to physical damage. The reinforced coating safeguards the pipes during transportation, installation, and regular operation.

Superior Thermal Insulation

The polyethylene layer not only protects against external damage but also enhances thermal insulation. This characteristic helps in retaining heat during fluid transport, which is particularly beneficial in high-temperature applications and contributes to energy efficiency.

Broad Chemical Resistance

The robust 3PE coating offers effective resistance against a wide spectrum of chemicals, including acids, alkalis, and other corrosive substances. This makes them well-suited for challenging chemical and industrial environments.

Low Maintenance Costs

Because of their resilience and long-lasting protection, these pipes require minimal upkeep. The decreased need for regular repairs and replacements translates into substantial cost savings over time.

Ease of Installation

Designed for simplicity, 3PE pipes are both lightweight and flexible, which makes installation straightforward and reduces the overall labor required on large-scale projects.

Environmental Safety

The advanced coating plays a crucial role in preventing the leakage of harmful substances, ensuring that chemicals or gases are securely contained. This environmental safeguard meets high safety standards and helps preserve natural resources.

Versatility Across Applications

The adaptable nature of 3PE pipes makes them suitable for a variety of uses, from oil and gas and water supply systems to chemical transport, construction, agriculture, and power generation, meeting the diverse requirements of multiple industries.

Properties of 3PE anti – corrosion steel pipe:

High sealing. It saves energy, reduces cost and protects the environment in long – term operation.

High corrosion resistance. The installation is simple and fast. The service life is up to 30 – 50 years.

Good corrosion resistance and impact resistance, low water absorption. The water absorption of PE at low temperature is less than 0.01%.

High – strength epoxy resin, along with the flexibility of PE absorber and hot – melt adhesive, provides high corrosion reliability.

Features and advantages of 3PE anti – corrosion steel pipe

Long service life 3PE anti – corrosion steel pipe can have a service life extended for more than 50 years. This is because the 3PE coating has good stability and anti – aging properties under normal working temperature and pressure conditions.

What is the advantage of the 3PE coating steel pipes

The normal bare pipe will be corroded in the severe environment and its lifetime will be reduced, making the construction and maintenance cost very high. But due to every layer of the 3PE coating system has its good performance, the 3PE coated pipe can protect the pipe in the severe environment and extend its lifetime to 30 – 50 years or even longer. It can significantly reduce the construction and maintenance cost for the pipeline. At the same time, the 3PE coated pipe has favorable thermal insulation property; the thermal losses is just 25% of the traditional pipe, saving a lot of energy cost during operation. At last, the 3PE coated pipe can directly be laid underground or in the water, even directly in the frozen earth because of its good anticorrosion property and impact resistance property in the low temperature. There is no need to construct a ditch.

Qualified standard

• GB/T3091 Welded steel pipe for low pressure liquid delivery
• GB/T9711 Petroleum and natural gas industries–Steel pipe for pipelines
• IS: 3589 Steel tubes for water and sewage
• IS : 1978 – 1982:Steel tubes for use in transportation of oil; gas & Petroleum products
• ASTM A53 Standard Specification for Pipe, Steel, Black and Hot – Dipped, Zinc – Coated, Welded and Seamless
• DIN 2458 WELDED STEEL PIPES AND TUBES
• EN10217 Welded steel tubes for pressure purposes. Technical delivery conditions.
• Non – alloy steel tubes with specified room temperature properties
• API 5L Line Pipe
• SY/T5037 Spiral submerged arc – welded steel pipe for pipelines for low pressure field fluid service
• SY/T 5040 Spiral submerged arc – welded steel pipe piles
• CJ/T 3022 Spiral submerged – arc welded steel pipe for municipal heat supply
• IS : 1978 Steel tubes for use in transportation of oil; gas & Petroleum products
• ASTM A252 WELDED AND SEAMLESS STEEL PIPE PILES

Coating standard:

• ANSI/AWWA C104/A21.4 American National Standard for Cement – Mortar Lining for Ductile – Iron Pipe and Fittings for Water
• ISO 21809 Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems
• DIN 30670 Polyethylen coatings of steel pipes and fittings

Размер

• Outer Diameter: 219.1mm – 4064mm (8″ – 160″)
• Wall Thickness: 3.2 mm – 40mm
• Length: 6mtr – 18mtr

End

• square ends (straight cut, saw cut, and torch cut).
• beveled for welding, beveled

Поверхность

• Lightly oiled,
• Hot dip galvanized,
• Electro galvanized,
• Black,
• Bare,
• Varnish coating
• Anti – rust oil, Protective Coatings
• (Coal Tar Epoxy,? Fusion Bond Epoxy, 3 – layers PE)

Packing

• Plastic plugs in both ends,
• Hexagonal bundles of max. 2,000kg with several steel strips,
• Two tags on each bundle,
• Wrapped in waterproof paper,
• PVC sleeve, and sackcloth with several steel strips, Plastic caps.

3PE anti-corrosion steel pipe

3PE anti-corrosion is a widely used steel pipe anti-corrosion, called 3-layer polyethylene anti-corrosion coating. The anti-corrosion effect is achieved by coating three layers of different materials on the surface of the steel pipe.