450x750 rectangle Ductile iron grating D400

The 450×750 Rainwater Grate is a high-performance solution among water drainage grates, designed as a Rectangle Ductile Grating that meets en124 d400 load requirements. This d400 gully grating is manufactured from premium ductile iron, providing excellent strength, durability, and safety as a heavy-duty metal grating for municipal and roadway drainage systems. Its optimized surface pattern ensures efficient water flow while offering strong anti-slip performance for traffic environments.

Manufactured using high-grade spheroidal graphite cast iron, this rectangular ductile iron grating delivers superior tensile strength and impact resistance compared with traditional cast iron products. The d400 load class makes it suitable for heavy traffic areas, including city roads, highways, industrial zones, logistics centers, and commercial developments where reliable drainage and long service life are critical.

The 450×750 rectangle ductile iron grating features a scientifically designed slot pattern that maximizes rainwater intake while minimizing blockage from debris. The surface texture enhances skid resistance, improving pedestrian and vehicle safety even in wet conditions. Precision casting and machining ensure a tight fit with the frame, reducing noise, vibration, and displacement under repeated traffic loads.

To ensure long-term corrosion resistance, the grating is typically treated with black bitumen coating or can be customized with epoxy coating, hot-dip galvanizing, or other surface finishes according to project requirements. Custom logos, markings, and drainage patterns are also available to support municipal branding or engineering specifications.

This D400 gully grating is fully compliant with EN124 standards and undergoes strict quality control, including load testing, dimensional inspection, and material verification. It is an ideal choice for stormwater drainage systems that demand strength, safety, and durability in harsh outdoor environments.

Key Features

• EN124 D400 load class for heavy traffic areas

• High-strength ductile iron material

• Efficient rainwater drainage slot design

• Anti-slip surface pattern for safety

• Low noise and stable seating

• Long service life with minimal maintenance

Technical Specifications

Applications

• Urban stormwater drainage systems

• Municipal road and highway drainage

• Industrial parks and logistics hubs

• Commercial and infrastructure projects

• Heavy-duty outdoor drainage channels

Customization Options

• Size and load class

• Surface pattern and opening design

• Logo and lettering

• Surface coating treatment