In the future, we will be more confident to provide better and more Heavy Duty Steel Grating, Press Locked Bar Grating, Serrated Metal Grating and services for the whole society and contribute to social stability and economic development. Our strong production capacity and excellent market performance have won the appreciation of the industry. We will rely on the various experiences accumulated over the years to make the national brand more refined and stronger. We strive to turn every position into a stage for employees to show their talents. Our company's production capacity and technical level are in an advanced position in the same industry.
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

We are committed to providing our customers with a full range of integrated services from Elite Molding Production Polymer Resin Manhole Trench Cover Wholesale design and manufacturing to trading through industrial aggregation and capital operation. We strive for survival by quality, seek development by quality, and win the trust of customers by quality. We always pay attention to the partnership with our customers, take customers as the center, and devote ourselves to quality service and extended service.
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