High-Capacity Stormwater Infiltration Chambers for Sustainable Urban Drainage

Overview

StormFlow is a high-performance stormwater infiltration tunnel system, designed to collect, retain, and infiltrate rainwater underground. Engineered for urban drainageleach field chambers, and subsurface infiltration, it offers a scalable and eco-friendly solution to manage stormwater runoff, reduce flooding, and recharge groundwater.

Whether you’re working on highways, industrial sites, or green infrastructure, StormFlow delivers efficiency, strength, and flexibility in one integrated system.

Key Features

Reinforced Infiltration Tunnel Design

Modular arched structure with high load-bearing strength for shallow underground installations.
✔️ Ideal for heavy traffic areas and structural foundations.

Efficient Mesh Sidewalls

Maximized contact surface ensures fast and uniform rainwater infiltration.
✔️ Prevents clogging and supports natural percolation.

Flexible Pipe Connection Interfaces

Pre-marked inlet/outlet ports for different pipe diameters (DN110–DN300).
✔️ Quick on-site connection and system flexibility.

Accessible Top Port

Top opening for inspection, maintenance, and overflow management.
✔️ Easy servicing without excavation.

Durable PP Material

Made from 100% recyclable polypropylene, resistant to corrosion and chemicals.
✔️ Long service life, low maintenance.

Technical Specifications

SpecificationDetail
Dimensions (L×W×H)1150 × 800 × 500 mm
Storage Volume 300 L/ Unit
Net Weight 11 kg
Load Class 200–600 kN/m²
Material High-strength polypropylene (PP)
Effective Void Ratio ≥ 95%
Pipe Connection Sizes DN100 / DN150 / DN200 / DN300
Installation Requirements Minimum cover depth: 250 mm, Maximum cover depth: 3740 mm
Installation Type Shallow-buried infiltration system
Inspection Access Integrated top access port (optional)

Scenario Applications

  • StormFlow Infiltration Tunnel System is engineered for a wide range of stormwater management and infiltration needs across commercial, municipal, and industrial settings:

    • Stormwater Infiltration Systems
      For collecting and infiltrating runoff from impervious surfaces.

    • Leach Field Chambers
      Suitable for septic systems and advanced wastewater infiltration designs.

    • Subsurface Drainage for Parking Areas
      Provides structural support while managing runoff under high-traffic zones.

    • Roadside and Highway Drainage
      Reduces surface water and flood risks alongside transportation infrastructure.

    • Rainwater Harvesting Retention Basins
      Used in conjunction with filter tanks to store and slowly release captured rainwater.

    • Water Sensitive Urban Design (WSUD)
      Complies with modern low-impact development (LID) and green infrastructure standards.

Not sure how to integrate StormFlow into your project? Contact our technical team for tailored infiltration system design.

Heavy-Traffic Parking Lots
Large commercial or retail parking lots with frequent heavy vehicle traffic
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Large Commercial Facilities
Shopping malls, business parks, and other commercial facilities with high vehicle load demands.
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Contact us now!
Need an efficient stormwater infiltration system? YD StormFlow® is your underground solution.
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Why Choose StormFlow?

  • High-Capacity Infiltration Performance
    Engineered with ≥95% void ratio for efficient rainwater infiltration and groundwater recharge.

  • Strong Load-Bearing Design
    Withstands up to 60 tons of traffic load — ideal for roads, parking lots, and industrial zones.

  • Modular & Scalable
    Easily customizable layout for small residential projects to large municipal systems.

  • Fast & Easy Installation
    Lightweight polypropylene material with simple interlocking connections saves time and labor.

  • Eco-Friendly & Durable
    Made from recyclable, corrosion-resistant PP for long service life with minimal maintenance.

  • Multi-Directional Pipe Connections
    Flexible pipe interface design fits DN100–DN300 for varied site conditions.

  • Compliant with WSUD & Green Infrastructure
    Supports global standards for sustainable urban stormwater

Frequently Asked Questions (FAQ)

Q1: What is an infiltration tunnel system?

A: It is a subsurface structure designed to collect, store, and gradually infiltrate stormwater into the ground, reducing surface runoff and helping recharge groundwater.

Q2: Where can StormFlow be used?

A: It’s ideal for roads, parking areas, industrial parks, green spaces, rainwater harvesting systems, and Water Sensitive Urban Designs (WSUD).

Q3: How strong is StormFlow?

A: It offers load-bearing capacity from 200 to 600 kN/m², suitable for heavy vehicular loads including trucks and forklifts.

Q4: Is it compatible with other rainwater systems?

A: Yes, it integrates seamlessly with filters, sediment traps, inspection ports, and detention tanks.