Producto

Con una calidad de producto estable y procesos de fabricación avanzados, brindamos soluciones de tuberías seguras, duraderas y eficientes para diversos proyectos de construcción de infraestructura.

Tubo PE Krah

Polyethylene (PE) spiral wound structured wall type B pipe, commonly known as Krah pipe, is a new type of structural wall pipe made from high-density polyethylene using a hot-processing technique. The weld seam of the flat strip is covered by a supporting pipe, improving the quality of the weld seam and the overall compressive strength of the product. The connection uses electrofusion welding, with pre-treated electrofusion welding wire, making the pipe connection convenient and reliable, especially for large-diameter pipe systems. It has advantages such as good connection sealing, strong anti-settlement ability, and long service life, and has been recognized by my country’s Ministry of Municipal Construction as a key green and environmentally friendly pipe product for promotion. Haojia Krah pipe is corrosion-resistant, anti-aging, flexible, and highly adaptable to engineering projects, making it a high-quality pipe material for drainage and sewage projects.

Descripción del producto

Product Advantages of PE Krah Tube

El Tubo PE Krah is engineered as a high-performance structured-wall piping solution designed for modern underground infrastructure systems. It combines mechanical strength, chemical stability, and installation efficiency to meet complex engineering requirements.

High Impact Resistance and Low-Temperature Performance

The PE Krah Tube demonstrates excellent resistance to low-temperature brittleness, with a brittleness temperature reaching -60℃. It maintains stable impact resistance under harsh environmental conditions. In general construction scenarios above -20℃, no special protective measures are required, which supports efficient winter installation and continuous project progress.

Strong Corrosion Resistance and Long Service Life

Manufactured from high-density polyethylene, the PE Krah Tube offers outstanding resistance to chemical corrosion and environmental erosion. It does not require additional anti-corrosion treatment and maintains stable performance in aggressive soil and wastewater conditions. Its service life can exceed 50 years under normal operating environments.

Reliable Connection and Excellent Sealing Performance

The PE Krah Tube uses same-material socket electrofusion connection technology, ensuring high-quality joint integrity. This connection method provides strong sealing performance, effectively preventing leakage and maintaining consistency between the pipeline system and long-term operational safety requirements.

High Flexibility, Wear Resistance, and Easy Construction

The material structure of the PE Krah Tube provides a combination of flexibility and rigidity, with strong resistance to external pressure and wear. During installation, it does not require concrete bedding or reinforced pipe trench foundations. After inspection, the pipe can be laid directly, significantly simplifying construction procedures and reducing overall project duration.

Pipe Specifications and Models of PE Krah Tube

Tamaño nominal (DN/D)Diámetro exterior medio mínimo (mm)Diámetro exterior medio mínimo (mm)Clasificación de rigidez del anillo (mm)
1501451.0SN8!SN10.SN12.5
2001951.1SN8!SN10.SN12.5
(250)a2451.5SN8!SN10.SN12.5
3002941.7SN8!SN10.SN12.5
4003922.3SN8!SN10.SN12.5
(450)a4412.8SN8!SN10.SN12.5
5004903.0SN8!SN10.SN12.5
6005883.5SN8!SN10.SN12.5
7006734.1SN8!SN10.SN12.5
8007854.5SN8!SN10.SN12.5
9008855.0SN8!SN10.SN12.5
10009855.0SN8!SN10.SN12.5
110010855.0SN8!SN10.SN12.5
120011855.0SN8!SN10.SN12.5
130012856.0SN8!SN10.SN12.5
140013856.0SN8!SN10.SN12.5
150014856.0SN8!SN10.SN12.5
160015856.0SN8!SN10.SN12.5
170016856.0SN8!SN10.SN12.5
180017856.0SN8!SN10.SN12.5
190018856.0SN8!SN10.SN12.5
200019856.0SN8!SN10.SN12.5
210020856.0SN8!SN10.SN12.5
220021857.0SN8!SN10.SN12.5
230022858.0SN8!SN10.SN12.5
240023859.0SN8!SN10.SN12.5
2500248510.0SN8!SN10.SN12.5
2600258510.0SN8!SN10.SN12.5
2700268512.0SN8!SN10.SN12.5
2800278512.0SN8!SN10.SN12.5
2900288514.0SN8!SN10.SN12.5
3000298514.0SN8!SN10.SN12.5

Application Areas of PE Krah Tube

The PE Krah Tube is widely used in modern infrastructure and underground pipeline systems where high durability and structural stability are required.

  1. Municipal underground drainage and sewage systems for building infrastructure
  2. Industrial wastewater and drainage pipeline systems
  3. Agricultural irrigation and drainage systems for farmland, orchards, vegetable gardens, and forest belts
  4. Rainwater collection and utilization pipeline systems
  5. Utility tunnels, roads, bridges, mining projects, airports, and railway station pipeline systems
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