Double layer manhole cover

Double layer manhole cover
When it rains on a single-layer manhole cover, rainwater will seep through the gaps and into the bottom of the manhole cover. There is a water receiving tray under the double-layer manhole cover, which can allow water to flow into the well along all sides and protect the high-quality instruments under the manhole cover.
High strength: Magnesium inspection has high compressive, bending, and impact resistance, as well as toughness. After long-term use, this product will not cause the manhole cover to be crushed or damaged, which can prevent the occurrence of "urban black hole" accidents.
Appearance beauty: The surface pattern design of the magnesite inspection manhole cover is exquisite, with bright and adjustable colors, beautifying the urban environment.
Easy to use and lightweight: The product weighs only about one-third of cast iron, making it easy to transport, install, and repair, greatly reducing labor intensity.
Anti theft: Magnesium inspection manhole covers have no recycling value and naturally prevent theft; According to customer needs and equipped with a locking structure, it can prevent theft of property inside the well.
Strong weather resistance: The magnesite inspection manhole cover can be used normally in an environment of -50 ℃ to+300 ℃ through scientific formula, advanced technology, and perfect technical equipment.
Acid and alkali resistance, corrosion resistance, wear resistance, vehicle crushing resistance, long service life.