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The characteristics and applicable scenarios of double-wall corrugated pipes (with corrugated outer walls and smooth inner walls) within the diameter range of 100-200mm are as follows:
I. Main Advantages
1. High compressive strength
The corrugated structure outer wall significantly enhances the ring stiffness, making it suitable for underground applications. It can withstand earth pressure and vehicle loads, and is applicable to the requirements of medium and small-sized projects with diameters ranging from 100 to 200mm.
2. Strong corrosion resistance
The materials are mostly HDPE or PVC, resistant to acid and alkali, and resistant to microbial erosion. They are especially suitable for corrosive environments such as sewage and chemical drainage.
3. Lightweight and easy to install
Compared with concrete pipes or steel pipes, it is 50% to 70% lighter in weight and can be completed by manual handling, reducing construction costs. It has obvious advantages especially in narrow Spaces such as residential areas and farmlands.
4. Low coefficient of friction
The inner wall is smooth, with low water flow resistance, reducing the risk of pipe blockage and making it suitable for small-flow drainage scenarios.
5. Long service life
The material is stable, with a service life of over 50 years and no maintenance cost.
6. Good economy
It costs 30% to 50% less than traditional pipe materials and has a high overall cost performance.
Ii. Core Role
Drainage and transportation
Municipal engineering: Branch lines of urban rainwater and sewage networks (such as community and street drainage).
Industrial field: Factory wastewater and chemical liquid discharge.
Agricultural irrigation: Drainage and water transportation for farmland and greenhouses.
2. Protective sleeve
Communication and power: Protect optical fibers and cables from mechanical damage and moisture erosion. A 100-200mm diameter is suitable for weak current line threading.
3. Environmentally friendly and anti-seepage
The anti-seepage design avoids polluting groundwater and meets environmental protection standards.
Iii. Typical Scope of Application
Municipal engineering
Rainwater/sewage branch pipes for urban roads, parks and squares (suitable for pipe diameters of 200mm or less).
2. Field of architecture
Underground drainage networks for residential communities and commercial complexes.
3. Agricultural scenarios
Farmland flood drainage, drip irrigation system, fish pond water supply and drainage.
4. Industrial applications
Wastewater discharge from chemical plants and food factories, and scenarios with high requirements for corrosion resistance.
5. Communication and power
Protective sleeves for mobile base stations and underground cables (commonly 100-160mm in diameter).
Selection suggestions
100-160mm: Suitable for rainwater pipes in residential areas, cable conduits, and small-scale farmland irrigation.
200mm: Suitable for medium flow requirements such as municipal branch road drainage and factory area sewage discharge.
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