Hebei Airlines payments as trench cover professional manufacturers give you some advice: do drain cover drainage can not be considered only mastered the ditch dimensions, the drain cover a small point on the line, this is the wrong decision. Gutter cover measurements there are some considerations, the size of the circular trench cover better grasp drain cover, long rows of trench cover to note the following: 1. For the purposes of steel grating is generally flat direction load direction indoor metal grate drain cover, leaving a wide gap given by ditches flat length L; 2, according to ditch long gutter cover, taken in line with standard processing modulus plate width 995mm, leaving a gap between the plates 5mm; 3, the remaining less than one meter long ditch in part by sizing modulus; 4, wide ditches and load requirements according to the selected drain cover models. Hebei Airlines Golden professional trench cover manufacturers based on customer requirements, different sizes, span design and production, welcome to order. Steel grating drain cover common specifications: 303/30 / 100,325 / 30 / 100,403 / 30/100, if the load over 30 tons more than is necessary to use heavy steel lattice trench cover 808/30 / 100,100 * 8/30 / 100,808 / 40/100, 100 * 10/40/100 and other specifications and sizes can be customized according to customer requirements. GU drain cover Specifications: GU300-30 angle edging gutter cover price, GU400-40 drain cover drainage works specification type, GU500-50, GU600-50, are represented by GU groove width - flat width More specifications. Gold mesh Hebei Airlines Co. produces a variety of drain cover, welcome new and old customers to consult and order. Indoor metal grate drain cover drain cover _ _ mesh gate trench cover provided by Golden Screen Products Co., Ltd. Hebei Airlines. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) strong, credible, Hengshui in Hebei 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 into the brilliant and you work for a better future!