The trench cover is one of the steel grating products, which can be roughly divided into three types: ordinary trench cover, anti-theft groove cover and GU groove cover. 1. Ditch cover is also known as “ditch cover”. It is welded by steel grating. It is simple to install and work with light weight, good load bearing, good impact resistance, no bending, no displacement, and hot galvanizing. After being beautiful and durable, anti-corrosion and anti-rust, it has the incomparable advantages of the cast iron groove cover. Because the steel grating adopts the hinge connection, it is easy to open and has anti-theft function. 2. The ordinary ditch cover and the anti-theft ditch cover are applied to any place, and the GU ditch cover is for the non-edge groove of most ordinary concrete. The U-shaped ditch cover is very simple, saving, and does not require special At the edge of the ditch, when the load is T6-14, it is recommended to embed the angle steel on the groove. At the same time, the prefabricated U-shaped groove block can be used to construct the ditch to effectively prevent the sewage from leaking to the earth. When the vehicle needs to pass the vehicle, the U-shaped steel grating groove The cover is only suitable for side grooves. Our factory can also produce steel grate products with different load-bearing and span according to customer's requirements. It can be selected according to actual requirements. According to different occasions, different groove covers are provided, except for ordinary hot-dip galvanized ditch cover. It is also available with grooved covers made of other materials such as stainless steel. 3, the prominent features of the trench cover: A, using hot-dip galvanized surface treatment: has a strong anti-rust, 30 years maintenance-free and free replacement. B. The domestic advanced anti-cover design, the gutter cover made of steel grating and the frame are connected by hinges, which are safe, easy to open. C, the product looks beautiful, simple lines, silver appearance, modern ideas. D. The mesh has the best drainage, and the water leakage area is 83.3%, which is more than twice that of cast iron. E. The material saves investment, large span, heavy load, lower price than cast iron, and can save the cost of replacing the cast iron cover due to theft or crushing. F, a variety of products, to meet the needs of different environments, loads, spans and shapes, can be provided according to customer size and shape. 4. Let's talk about the common specifications of ordinary ditch cover and anti-theft ditch cover: 303/30/100, 325/30/100, 403/30/100. If the load exceeds 30 tons, the heavy-duty steel gutter cover 808/30 should be used. /100,100*8/30/100,808/40/100,100*10/40/100, etc., can be customized according to customer requirements specifications and dimensions.