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About usRelying on the strong capital strength of the parent company and more than ten years of industry experience and influence.
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ProductOur company currently has 3 fully automatic casting fastener molding production lines; 2 production lines for forged and stamped fasteners; There are 8 fully automatic hot-dip galvanized steel springboard production lines and
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NewsMarket dynamics, industry information, and quick sharing with you
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Production LineOur company currently has 3 fully automatic casting fastener molding production lines; 2 production lines for forged and stamped fasteners; There are 8 fully automatic hot-dip galvanized steel springboard production lines. Le
Installation details of ductile iron manhole cover
Release time：
2021-03-18 17:16
source：
When installing ductile iron manhole covers, we need to consider many factors, such as whether the manhole covers will sink, shift, have missing surface patterns, and have low friction, making it easy to slip on top. These are all things that need to be taken into consideration in advance, and special care should also be taken during installation. When constructing the manhole cover with patterns on the surface, attention should be paid not to damage the pattern font on the surface. You can find a thin small iron sheet or spray a layer of asphalt on the surface of the manhole cover. To prevent cement from sticking to the manhole cover and causing damage to the surface font. The outer well ring of the manhole cover should be constructed strictly in accordance with the design and construction drawings, and the size should not be arbitrarily changed to ensure flexibility and freedom when opening or closing the manhole cover.
When we produce ductile iron manhole covers, we use a special production process formula to ensure the penetration of resin into the fiberglass, greatly enhancing the bonding force between the two, and avoiding internal damage, thus ensuring the service life of a product.
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2023-01-03
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