Standardization plays an important role in ensuring Hot Dip Galvanised Steel Grating, Welded Steel Bar Grating, Steel Grating Trench Cover quality and promoting technological progress. In the pursuit of enterprise development, we do not forget our social responsibility, and always adhere to the "people-oriented" management concept, with our technology, quality and enthusiasm to share with people from all walks of life in the industry. Our product quality is improving day by day, and our product R & D is far ahead. We win the respect of our employees by enhancing our corporate status and brand image and giving them a high sense of corporate honor and pride. We will sincerely welcome customers at home and abroad to develop with us and achieve a win-win situation.
Trench cover grating is the simplest and most economical type of steel gratings. It is used for the ground of sidewalks, roadways, courtyards, or buildings, as trench grate covers for water trenches, pipeline trenches, underground passages, air wells, lighting wells, inspection wells, etc. The ditch cover steel grating consists of a fixed frame and a movable steel bar grating cover, and we can equip it with a fastening mechanism or anti-theft device as required.
Product Name | Trench Cover Steel Grating |
Material | Q235 low carbon steel |
Model | G303/30/100; G323/30/100, G305/30/100; G325/30/100; G405/30/100 |
Flat Steel Spacing | 30mm, 40mm, 60mm |
Cross Bar Spacing | 50mm/100mm |
Surface Treatment | Hot dip galvanizing, cold galvanizing (electroplating) |
Load Capacity | According to different specifications |
Applications | Used in municipal roads, garden construction, residential quarters, schools, stadiums and other places. |

Technical Parameters
Item | Load Grade | Maximum Weight of Vehicle (kg) | Single Rear Wheel Load (kN) | Wheel Press Area (mm) |
SGDD-01 | T-25 | 25000 | 100 | 200 × 500 |
SGDD-02 | T-20 | 20000 | 80 | 200 × 500 |
SGDD-03 | T-14 | 14000 | 56 | 200 × 500 |
SGDD-04 | T-6 | 6000 | 24 | 200 × 240 |
SGDD-05 | T-2 | 2000 | 8 | 200 × 160 |
Note: In the table, T-2, T-6, T-14, T-20, T-25, etc. indicate that vehicles with a total weight of 2000kg, 6000kg, 14000kg, 20000kg, 25000kg, etc. are allowed to pass.
Product Advantages
1.The trench cover has the advantages of light weight, good bearing capacity, impact resistance, not easy to bend, large displacement, beautiful and durable, and has the incomparable advantages of cast iron cover.
2.The special production process and high anti-corrosion and anti-rust technology selected for the product have enabled it to obtain a long service life.
3.It adopts hinge connection or hook connection, which is easy to open and has anti-theft function.

Main Applications
* With angle steel frame
* Municipal trench cover
* Collection well cover
* Angle steel frame bar grating trench cover
* Anti-theft well cover
* Stainless steel trench cover
* Bar grating trench cover

Our source of inspiration and creativity is to give people access to quality Drainage Channels Galvanized Driveway Trench Grates Floor Drain Covers and to support society with our innovative strengths. Our company with high quality products, timely and perfect service to win the majority of customer groups. We have spared no effort to develop green circular economy, and have accumulated rich experience and made certain achievements.
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