Grating trench cover is applied on walkway,carriageway,courtyard etc,used as cover for drainage trench,wire ditch,subway and air pit.Hop-dip-galvanized finish is used as antisepic.
Grating trench cover is composed of fixed frame & movable grating.It can be classified to GT & GU according to structures.
Grating trench cover is used foe catch basin,sand sediment trap,draining well,&sink hole in roas,park&other civil projects.It's generally designed to be revertible & its start-stop angle is 110°.Higed trench cover has good advantages on anti-theft and installation.