95.5% Void Ratio Rainwater Harvesting Module and 450KN/m2 Load Capacity Underground Infiltration Tank with 200L Water Storage Capacity
95.5% Void Ratio Rainwater Harvesting Module
,450KN/m2 Load Capacity Underground Infiltration Tank
,200L Water Storage Capacity Rainwater Harvesting Module
The PP Rainwater Harvesting Module Underground Infiltration Tank is a core low-impact development component specially developed for Sponge City construction. Made of high-strength virgin polypropylene, this interlocking modular system features a high void ratio of up to 95%, delivering excellent rainwater detention, infiltration and harvesting performance while occupying minimal underground space.
Covered with geotextile or impermeable membrane as required, it can work as an infiltration tank for groundwater recharge or a storage tank for rainwater reuse in applications such as landscape irrigation, road cleaning and toilet flushing.
Up to 95% void ratio for superior rainwater detention, infiltration and harvesting capacity.
Virgin polypropylene construction resists corrosion, aging and extreme temperatures.
Lightweight yet robust modules bear heavy loads for installation under roads, parking lots, plazas and green belts.
Interlocking system enables rapid on-site construction without heavy concrete casting, cutting labor and project cycles.
Works as an infiltration tank with geotextile or a storage tank with impermeable membrane, as required.
Fully recyclable material with a long service life, meeting modern infrastructure sustainability requirements.
The system effectively mitigates urban flooding, reduces stormwater runoff pressure on municipal sewers, filters pollutants and replenishes aquifers. It is widely adopted in municipal roads, residential communities, parks and industrial zones, realizing natural accumulation, infiltration and purification of rainwater to support sustainable urban water management and the core goals of Sponge City development.
- Groundwater recharge through infiltration tanks
- Rainwater storage for landscape irrigation, road cleaning and toilet flushing
- Stormwater management under roads, parking lots, plazas and green belts
- Flood mitigation and runoff reduction in municipal and residential projects
Guangdong Wanquan Architectural Technology Co., Ltd. is a specialized environmental technology enterprise established in 2011, offering rainwater collection systems, prefabricated pumping stations and drainage solutions. With a professional team and a large injection molding workshop, the company serves residential, industrial and municipal projects, providing eco-friendly, recyclable and easy-to-assemble products.
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