The Clark Drain CD D20-310-18P is a premium heavy-duty linear drainage channel designed for estate roads, carriageways, car parks and other areas subject to regular heavy vehicle traffic. Manufactured from high-density polyethylene (HDPE) with reinforced 4mm steel edges, it is supplied complete with locking D400 ductile iron slotted gratings for outstanding strength and durability.
Measuring 1000mm long with a 200mm internal channel width and 250mm depth, this drainage channel provides excellent hydraulic performance while remaining lightweight for easier handling and installation. The system features multiple outlet options, including 160mm and 200mm side and vertical outlets, allowing flexible connection to underground drainage systems.
Certified to BS EN 1433:2002 Type M and rated to D400 load classification, the CD D20-310-18P is suitable for highways, commercial developments, industrial sites and infrastructure projects where dependable surface water drainage is essential. The locking grate system helps prevent movement under traffic while improving site safety.
Key Features
- 200mm internal width HDPE linear drainage channel
- Complete with locking D400 ductile iron slotted grates
- Reinforced with 4mm galvanised steel edge rails
- 1000mm channel length
- D400 load class suitable for heavy vehicle traffic
- Multiple 160mm & 200mm side and vertical outlet options
- Corrosion, chemical and impact resistant HDPE body
- Locking system with 4 x M8 bolts per 500mm grate
- Certified to BS EN 1433:2002 Type M
- Lightweight design for faster installation
Applications
- Estate roads
- Carriageways
- Commercial car parks
- Industrial developments
- Distribution centres
- Service yards
- Infrastructure projects
- Heavy-duty surface water drainage
Technical Specifications
- Product Code: CD D20-310-18P
- Channel Material: High Density Polyethylene (HDPE)
- Edge Material: 4mm Steel
- Grate Material: Ductile Iron
- Load Rating: D400
- Channel Length: 1000mm
- Internal Dimensions: 1000 × 200 × 250mm
- External Dimensions: 1000 × 258 × 310mm
- Waterway Area: 804cm²
- Standard: BS EN 1433:2002 Type M