Drain cover is also known as "drain cover", "manhole cover", "manhole" trench cover, "gutter cover" Initially it was cement, cast iron, after the normal use it fragile, high replacement costs. While the new drain cover using pressure welded steel grating quality iron mesh grid drain cover, so that the construction is simple to install, light weight, carrying good, strong impact resistance, excellent drainage, surface through heat After the beautiful use of galvanized, rust and corrosion, has incomparable advantages of cast iron trench cover. Drain cover model how to choose, Hang Kim tell you: 1, for use in road traffic on the sidewalk of a plastic drain cover much money, roadways, parking steel grating, trench dock or building ground cover board, because of the different loads and dealers direction, the design and selection should be considered the actual situation. 2, for the ditch on the road and crossing the ditch cover (dealers carrying flat direction parallel to the direction), not only to consider the wheel pressure, impact, need to prevent the risk of bouncing shift trench cover, you must ditch Cover and angle, support beams fixed (you can use fixed or welded steel grating installation clips). Hebei Airlines Gold Wire Mesh Products Co., Ltd. produced many types of stainless steel grating drain cover specifications, according to customer requirements in different environments, different capacity, span, shape and color as well as construction costs, customers design, manufacturing steel Grating, welcome to inquire order. About ditch cover, covers, ah, do drainage ditch cover design with only mastered the ditch dimensions is not enough. Drain cover design requires attention to the following points, the size of the circular trench cover better grasp, but a long row of the trench cover a few points should be noted: 1, flat direction of the load direction, according to the ditch Wide gaps remain flat fixed length L; 2, according to ditch long gutter cover, take in line with the standard processing modulus plate width 995mm, leaving a gap between the plates 5mm; 3, the remaining less than one meter long trench section modulus given by size ; 4, according to a wide ditch and drain cover bearing requirements of the selected models. 5, the drainage ditch at the use of cover: ventilation, corrosion, explosion-proof, non-slip, durable, beautiful appearance, low price of steel grating, easy to install. This is Hebei Airlines payments to your suggestions, specific questions, please contact us. What type Chedaogou cover thickness, Inner Mongolia trench cover, trench cover provided by Hang gold gold mesh Products Co., Ltd. Hebei Airlines. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) strong, credible, Hebei Hengshui wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Air gold mesh and you hand into the brilliant, for a better future!