Drainage channel grating cover is a sewer or manhole cover ditch cover welded by steel grating. It has the characteristics of simple installation and construction, light weight, good bearing capacity, good impact resistance, rather than bending, and large drainage. After hot-dip galvanizing treatment, it is beautiful and durable, anti-corrosion and rust-proof, and has the incomparable advantages of cast iron ditch cover. If the hinge connection is adopted, it is easy to open and has the anti-theft function. Products can be widely used in municipal roads, garden facilities, residential quarters, schools, stadiums and other places.
Our factory can also produce drain channel grating products with different loads and spans according to customer requirements. Can be selected according to actual requirements. According to different occasions, manhole cover ditch cover plates of different materials. In addition to the common hot-dip galvanized manhole cover and ditch cover, we can also provide drainage steel grating and window well cover made of stainless steel.

Technical Parameters
Product Name | Drainage Steel Grating/ Drain Channel Grating |
Material | Q235 low carbon steel |
Model | G203/30/100, G205/30/100, G253/30/100, G255/30/100, G303/30/100, G305/30/100, G323/30/100, G325/30/100, G403/30/100, G405/30/100, G505/30/100, G605/30/100. Flat bar width can be customized. |
Flat Steel Spacing | 20mm, 30mm, 40mm, 50mm, 60mm |
Twisted Square Steel | φ5mm, φ6mm, φ8mm, etc. |
Surface Treatment | Hot dip galvanizing, cold galvanizing (electroplating) |
Load Capacity | According to different specifications |
Applications | Industrial platforms, petrochemical plants, sewage treatment plants, stair treads, high-altitude tower platforms, gutter covers, well covers, road grilles, three-dimensional parking lots, fences, guardrails, etc. |

Salient Features
* The surface is treated with hot-dip galvanized surface treatment, which has a strong anti-rust ability, and is free of maintenance and replacement for 30 years.
* Due to the use of high-strength carbon steel as raw material, the steel grating has high strength: the strength and toughness are much higher than those of cast iron, and can be used in large-span and heavy-load environments such as docks and airports.
* Installed with the most advanced anti-theft design in China: the manhole cover ditch cover made of steel grating is connected with the frame with hinges, which is anti-theft, safe and easy to open.
* Material saving and cost saving: when large span and heavy load, the price is lower than that of cast iron; and the cost of replacing the cast iron cover due to theft or crushing can be saved.
* Beautiful product appearance: simple lines, silver appearance, modern ideas.
* The large mesh has good drainage: the leakage area is 83.3%, which is more than twice that of cast iron.
* Rich variety: It can meet the needs of different environments, loads, spans and shapes, and can provide sizes and shapes according to customers.


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