Jinghua heavy duty gratings are pressure welded type SP gratings with full height bearing bars in the bearing direction and filler and control bars of variable height at right angles to the bearing bars. Vehicle gratings are supplied with welded edge iron on all four sides.
Dimension: The Jinghua heavy duty grating is available in a number of standard sizes from 200x1000 to 500x1000 mm but may also be custom-made.
Mesh sizes: The heavy duty grating is carried in the following mesh sizes: 30x30 mm & 40x20 mm. If a different mesh size is required, the grating must be custom-made.
Serrating: If very high anti-slip qualities are required, the grating may be supplied with serrated bearing bars or with serrated bearing, filler and control bars.
Material: The heavy duty gratings are supplied in steel S235JRG2 (steel 37-2) as standard but can also be manufactured in stainless 1.4301 & 1.4404 at request.
Surface treatment: The standard surface treatment of the gratings is hot-dip galvanizing in accordance with DS/EN ISO 1461 1999 but they may be delivered with other surface treatments, e.g. pickled or electro-polished in stainless steel.
Application: These gratings are often used in drainage trenches and sump covers, industrial floor areas, airport drain grates and highway catch basins.
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