Premium Multi-Channel Cable Protection Systems
Welcome to Berlia Pipes – your trusted manufacturer and supplier of high-quality Corrugated Optic Duct (COD) HDPE Pipes. Designed for the protection of fiber optic cables, telecommunication lines, and power cables, our COD pipes combine the durability of HDPE with innovative corrugated design to deliver superior strength, flexibility, and cost-efficiency.
Manufactured from 100% virgin High-Density Polyethylene (HDPE) , our COD pipes feature a spiral corrugated outer duct encasing multiple smooth inner ducts. This integrated structure eliminates the need for separate inner duct installation, reducing material costs, labor, and installation time by up to 50% .
Trusted by telecom giants and infrastructure projects worldwide, Berlia Pipes delivers COD solutions that stand the test of time – with a service life of 50 to 100 years.
Applications
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Telecommunication networks – underground protection for fiber optic cables in urban and rural areas
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Smart City projects – bundled micro ducts for smart infrastructure initiatives
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Highway and railway infrastructure – cable protection along roads, rail lines, and bridges
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Power distribution networks – protection for power cables and CATV cables
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Airport infrastructure – cable management systems for aviation facilities
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Bridge and tunnel crossings – cable routing through complex terrains
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Industrial projects – serving DRDO, BHEL, PGCIL, Indian Railways, and Airport Authority of India
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Indoor and building applications – cable wells and internal cable management systems
Technical Specifications
Material & Construction
| Parameter | Specification |
|---|---|
| Material | 100% Virgin High-Density Polyethylene (HDPE) |
| Outer Duct | Spiral corrugated |
| Inner Ducts | Smooth, straight wall |
| Color | Orange / Black (standard) |
| Length per Roll | 300m – 1,000m |
| Service Life | 50 – 100 years |
| Temperature Range | -40°C to +80°C |
| Chemical Resistance | pH 0-14 |
Available Configurations
| Model | Outer O.D. (mm) | Inner Duct O.D. (mm) | Inner I.D. (mm) | No. of Ducts |
|---|---|---|---|---|
| 25mm × 7 lines | 110 | 29 | 25 | 7 |
| 28mm × 3 lines | 90 | 33 | 28 | 3 |
| 28mm × 4 lines | 100 | 33 | 28 | 4 |
| 32mm × 3 lines | Custom | 38 | 32 | 3 |
| 36mm × 3 lines | Custom | 42 | 36 | 3 |
Custom configurations available: 2 to 9 inner ducts upon request.
Performance Indicators
| Property | Value |
|---|---|
| Compressive Strength | 8-10x conventional pipes |
| Flexibility | 90°+ bending capability |
| Density | ≥ 0.952 g/cm³ |
| Tensile Modulus | 1,100 MPa |
| Elongation at Break | > 350% |
Applications
Telecommunications
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Fiber optic cable networks
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Telecommunication trunk lines
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CATV and broadband infrastructure
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5G network backhaul systems
Transportation Infrastructure
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Highway communication systems
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Railway signaling and communication
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Airport cable networks
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Tunnel and bridge crossings
Power Distribution
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Underground power cable protection
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Urban power grid networks
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Renewable energy cable routes
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Street lighting systems
Urban Infrastructure
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Smart city cable networks
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Municipal communication systems
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Drainage and utility corridors
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Underground cable wells
Industrial & Commercial
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Industrial plant cable management
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Campus network cabling
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Data center underground feeds
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Commercial building services
Specialized Installations
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Horizontal Directional Drilling (HDD)
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Direct burial in aggressive soils
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Coastal and wetland areas
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Earthquake-prone regions
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Indoor cable management systems
Installation Benefits
| Feature | Benefit |
|---|---|
| Continuous Lengths | 300-1,000m rolls – fewer joints, less risk |
| Wide Manhole Spacing | Only every 500m-1,000m – reduced infrastructure cost |
| Cable Blowing Compatible | Low-friction inner ducts support long-distance cable blowing |
| Trenchless Options | HDD, direct burial, and cable blowing methods available |
| Fast Deployment | Up to 3,000m/day with mechanical installation |
Global Approvals & Certifications
Berlia COD HDPE Pipes are trusted by leading telecom and infrastructure organizations worldwide:
| Organization | Region |
|---|---|
| KT | South Korea |
| STC | Saudi Arabia |
| NTT | Japan |
| PT Telkom | Indonesia |
| South Africa Telkom | South Africa |
| ICE | Costa Rica |
| CDC | Taiwan |
| Highway Authorities | UK, Costa Rica, Ecuador |
Why Choose Berlia Pipes?
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Superior Quality: Manufactured from 100% virgin HDPE resin
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Custom Solutions: 2-9 inner ducts in various diameters
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Global Standards: ISO 4427, GB/T 13663 compliant
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Proven Reliability: 50+ years of industry expertise
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Technical Support: End-to-end project assistance
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Competitive Pricing: Direct manufacturer pricing
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Timely Delivery: Robust supply chain for domestic and export orders
Frequently Asked Questions
What is COD HDPE Pipe?
COD stands for Corrugated Optic Duct – a multi-channel HDPE pipe system with a corrugated outer duct and multiple smooth inner ducts for cable protection.
What are the advantages over traditional duct systems?
COD provides 30-50% cost savings, 8-10x higher compressive strength, faster installation (20-30x), and less trenching compared to conventional PVC + inner duct systems.
How many inner ducts can Berlia provide?
We offer configurations from 2 to 9 inner ducts, with custom options available upon request.
What is the service life?
Our COD pipes are designed for a minimum of 50 years, extending up to 100 years with proper installation.
Is COD suitable for horizontal directional drilling (HDD)?
Yes. The high compressive strength and flexibility make COD pipes ideal for trenchless installation methods including HDD.
What colors are available?
Standard colors are orange and black. Custom colors available on request for large orders.
Can COD be used for power cables?
Yes. COD pipes are suitable for fiber optic, telecommunication, power, and CATV cables.
Contact Berlia Pipes
Ready to upgrade your cable infrastructure with premium COD HDPE Pipes? Berlia Pipes offers high-quality, cost-effective solutions for telecom, power, and infrastructure projects worldwide.