|
Parameter |
Value |
|
Brand |
Dingjian |
|
Type |
Drainage Channel Cover |
|
Application |
City, Factory, and Park Drainage |
|
Origin |
Changxing |
|
Item Number |
47550020 |
|
Material |
Ductile Iron |
|
Load Rating |
B125 |
|
Load Capacity |
250 kN |
Catch Debris Before Pipe Blockage
Road catch basins are usually installed at low points to collect and guide rainwater into drainage systems. During rainfall, they may also collect sand, leaves, and other debris from surrounding areas. Without proper protection, these materials can enter drainage pipes and cause blockages.
Our Dingjian catch basin covers grates provide an effective solution for debris control and water drainage. The item number is 47550020. The load capacity reaches 250 kN and meets the B125 standard. The product can safely support passenger cars and light vehicles while maintaining efficient drainage performance.


Slot Design Balances Drainage and Filtration
The slot structure of these drainage products is carefully designed to balance filtration and water flow. If the openings are too wide, leaves and large debris may enter the drainage system. If the openings are too narrow, drainage efficiency may decrease during heavy rainfall.
Our design allows rainwater to flow through quickly while capturing common debris such as leaves and sand. This reduces cleaning frequency and helps lower maintenance costs for municipal and commercial drainage systems. The catch basin structure also includes a sediment collection area, creating an efficient solid-liquid separation solution together with the grate.
250 kN Capacity for Multiple Applications
These catch basin covers grates provide a 250 kN load capacity, making them suitable for a wide range of drainage applications. They are commonly used in catch basins, residential roads, factory areas, warehouse drainage channels, and public spaces.
The ductile iron material provides excellent strength and impact resistance. The product maintains stable performance under regular vehicle traffic and occasional impact loads. This makes it a reliable choice for areas requiring both drainage efficiency and structural durability.

Strict Quality Control for Every Batch
We apply strict quality control procedures throughout the manufacturing process. Our ISO 9001 quality management system controls each stage from raw material inspection to final product testing. Every production batch undergoes furnace testing, nodular iron inspection, and finished product evaluation.
The edges feature a reinforced thicker structure to improve load-bearing performance and service life. Regular orders are usually shipped within 15 to 25 days. We use iron pallet packaging for export transportation and provide complete export documentation to support international shipments.
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