Steel grating trench cover (trench cover, drain cover, sewer trenches cover) on the ground with sidewalk, driveway, patio or building a ditch, pipeline trenches, underground tunnels, air shaft, daylighting cover, etc. Well, check wells. Steel grating trench cover usually consists of a fixed frame and the activities of steel grating cover. According to needs, coupled with a fastening mechanism or anti-theft devices. GT steel grating trench cover: steel grating trench cover the roadway into the side ditch ditch lid cover and transverse directions according to dealers. Carrying flat and perpendicular to the direction dealers called side ditch cover, bearing flat and parallel to the direction dealers called transverse ditch cover. GT steel grating trench cover applies in addition to the road where the road is generally little traffic. When used as a cross-sectional Gully cover, you need to take into account the risk of the cover jump should be used bolt-on steel grating trench cover, steel grating trench cover are made of hot-dip galvanized corrosion. GT steel grating trench cover applies to the ditch along the mouth with holder (T-shaped groove) along the mouth usually build retaining angle. GU type steel grating trench cover ditch: For most ordinary concrete masonry along the mouth of the ditch system without using U-shaped trench cover is very simple and economical, no special groove edge. Load T-6, T-14, the hook buried along the mouth recommendation angle, while the use of precast U-ditch block to build a ditch, effectively preventing leakage of sewage into the ground, this prefabricated U-shaped groove may be used This type of trench cover. When you need over the car, GU-type trench grating trench cover only applies to side ditch. GM-type wells steel grating cover: roads, parks and other municipal facilities, water wells, manholes sink under water wells, water wells and other water supply and drainage wells or holes, manhole cover, can be used GM-type wells steel grid board cover. GM-type wells steel grating cover is generally designed to be flip, usually turn the headstock angle of 110 °. With a hinge pin steel grating cover not only security but also simplifies the construction process. In order to improve impact resistance, GM-type wells steel grating cover commonly used bar spacing of 50mm steel grating manufactured. We have a variety of steel grating products for you to buy