Underground Rainwater Treatment System with Stainless Steel Construction and 10-20 Ton/Hour Flow Capacity for Integrated Rainwater Collection
Underground Rainwater Treatment System
,10-20 Ton/Hour Rainwater Collection System
,Stainless Steel Rainwater Treatment System
This Underground Integrated Rainwater Collection & Treatment System is a compact, all-in-one solution for on-site stormwater purification and reuse. Manufactured in our Guangdong, China factory, the unit integrates filter vessels, a water pump, control box, valve manifolds and piping inside a sturdy underground housing. It simplifies rainwater treatment — including sediment removal, filtration and disinfection — turning collected rainwater into reusable water for landscape irrigation, road washing and toilet flushing.
Designed for buried outdoor installation, the complete assembly occupies a small footprint and keeps the ground surface available for greening, pavement or landscaping. Its pre-plumbed structure enables quick on-site connection, reducing installation work and project lead time. The corrosion-resistant housing and matched water treatment components deliver stable performance under variable weather conditions, with easy access for routine inspection and maintenance.
| Model | WQ-1201 | WQ-1202 |
|---|---|---|
| Major dispositions | Quartz sand filter 500, automatic addition device, multiple valves, pressure control valve | Quartz sand filter 650, addition device, multiple valves, pressure control valve |
| Flow capacity (m³/h) | 10 | 20 |
| Working pressure (kg/cm²) | 2 | 2 |
| Sand tank filtration rate (m/h) | 50 | 50 |
| Sand cylinder filtration area (m²) | 0.22 | 0.38 |
| Pipe size | 1.5 | 1.5 |
| Dimension | 1300 × 1300 × 1000 mm | 1300 × 1300 × 1000 mm |
| Material | Fiberglass | Fiberglass |
The system helps reduce reliance on municipal tap water and relieves urban drainage pressure. It is widely applied in residential communities, parks, commercial plazas and industrial zones, supporting sponge city initiatives and sustainable water-saving projects.
- On-site stormwater purification and reuse in a single integrated unit
- Small buried footprint that preserves usable ground surface
- Pre-plumbed design for fast on-site connection and shorter project lead times
- Corrosion-resistant fiberglass construction for stable, long-term performance
- Easy access for routine inspection and maintenance
As a Guangdong direct supplier, we provide customized configuration, technical support and one-stop service to global buyers for reliable rainwater recycling solutions.
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It depends on the order quantity and the season you place the order. Usually we can ship within 7–15 days for small quantities, and about 30 days for large quantities.
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