As for the thickness of the well cover, the first thing we need to know is that the thickness of the well cover of different materials is different. Next Shandong Ductile Iron Well Cover knitting for you to sort out the general thickness of Ductile Iron Well Cover!
According to GB/T 23588-2009, A15 should be no less than 20 mm for green belt B125 and no less than 30 mm for sidewalks and non-motorized lanes。
C250 should be no less than 30mm for residential area.
D400 should be used for urban highway at least 50mm.
E600 should not be less than 50mm for freight terminal。
F900 should be used on airstrip not less than 50mm.
Ductile iron well covers have been widely used for a long time。 With the upgrading of products, they have not been eliminated, which shows that their quality and safety factors are relatively high。 So it's good to choose the right one。
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