Krah Pipe

HDPE winding structural wall pipes are large-diameter structured wall  pipes designed for drainage and infrastructure projects. Manufactured with spiral winding technology, they combine high strength, lightweight construction, and long-term durability.Compared to concrete and steel pipes, Krah pipes offer better corrosion resistance, lower installation costs, and excellent flow performance. Their customizable design supports various diameters, stiffness classes, and wall thicknesses for different project needs.Widely used in municipal drainage, sewage, industrial wastewater, and infrastructure systems, Krah pipes provide leak-proof performance and a service life of over 50 years.

krah pipe
  • Place of Origin: China
  • Inventory: In Stock
  • Type: Krah Pipe
  • Material: High-Density Polyethylene
  • Diameter: DN300-3000mm (12 inch-118 inch)
  • Length: 6m
  • Price: Negotiation
  • Delivery: 7-10 Days Depending on The Total Quantity
  • Payment: L/C, T/T, Alipay, Moneygram and Western Union
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HDPE Krah Pipe Technical Specifications

Outer Diameter(mm) Outer Diameter(mm) Outer Diameter(mm)
Nominal Size DN (mm) Inner Diameter(mm) SN8 SN10 SN12.5
200 200 226 226
300 300 326 326
400 400 440 440 440
500 500 540 540 540
600 600 645 645 645
700 700 745 753 753
800 800 853 853 864
900 900 964 964 964
1000 1000 1064 1064 1064
1100 1100 1174 1174 1174
1200 1200 1274 1274 1274
1300 1300 1386 1386 1386
1400 1400 1486 1486 1486
1500 1500 1586 1586 1586
1600 1600 1694 1694 1694
1800 1800 1894 1894 1906
2000 2000 2106 2106 2128
2200 2200 2306 2328 2328
2400 2400 2530 2530 2536
2600 2600 2730 2736 2744
2800 2800 2950 2950 2964
3000 3000 3150 3159 3165

Key Features

Large Diameter

Available from DN300 to DN3000, ideal for large-scale drainage and infrastructure projects

Structured Design

Spiral wound structure provides high ring stiffness with a lightweight profile.

Smooth Flow

Low friction ensures high flow efficiency and reduces the risk of blockage.

Corrosion Resistance

Made from HDPE, offering excellent resistance to chemicals, acids, and corrosion.

Krah Pipe Advantages

  • Cost Efficiency – Reduced lifecycle and installation costs compared to traditional concrete or metal piping systems, optimize project budgets.
  • Lightweight Structure – Easier transportation, handling, and installation significantly reduce labor requirements and construction time on site.
  • Long-Term Durability – Engineered for over 50 years of service life with stable performance in demanding environmental conditions.
  • High Ring Stiffness – Excellent structural strength ensures reliable operation under heavy soil loads and underground applications.
  • Flexible Customization – Pipe diameter, length, stiffness class, and connection methods can be tailored to specific project requirements.
  • Leak-Proof Performance – Advanced welding and connection systems provide secure, fully sealed joints for long-term operational reliability.
HDPE winding structural wall pipe

Spiral Wound Pipe Application

Krah pipes are widely used across municipal, industrial, and agricultural sectors, providing reliable solutions for water supply, drainage, gas distribution, and infrastructure protection. Their large diameter capacity and corrosion resistance make them ideal for demanding pipeline applications.

  • Water Supply Systems
  • Stormwater Drainage
  • Cable Protection
  • Agricultural Irrigation
  • Industrial Pipelines
  • Gas Distribution
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Inventory

JQ maintains stable inventory and efficient production capacity to ensure fast delivery and reliable supply for projects of all sizes. With organized warehouse management, flexible manufacturing, and customization support, we help customers meet demanding project timelines efficiently.

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Packaging

JQ provides professional packaging, efficient loading, and reliable transportation solutions to ensure products are delivered safely and on time. With stable inventory and global shipping support, we help customers meet project schedules with confidence.

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Certificate

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