Water grid.
The technical term for rectangular cast iron drainage manhole cover is water grate. Ordinary rainwater grate: This is a steel grate. Tubular rainwater grid: It is a steel grid lined with steel tubes. U-shaped rainwater grate: This is a steel grate lined with steel angles. Anti-theft rainwater grille: The angle steel frame is placed in reinforced concrete, and the steel grille is placed in the angle steel frame. It is generally recommended to use anti-theft rainwater grilles.
Performance characteristics of cast iron grate
1. High Strength: Magnesite inspection, it has high compression, flexure, impact resistance and toughness. After long-term use, this product will not cause the manhole cover to be crushed or damaged and can preventcompletely the appearance of “urban black hole” accidents.
2. Beautiful Appearance: The surface pattern of the magnesite inspection manhole cover is exquisitely designed, the color is bright and adjustable, and beautifies the urban environment.
3. Easy to use and lightweight: The product weighs only about one third of that of cast iron, making it easy to transport, install and repair, greatly reducing labor intensity.
4. Anti-theft: Magnesite inspection manhole covers have no recycling value and are naturally anti-theft according to customer requirements, a locking structure is provided to prevent theft of goods in the well.
5. Strong Weather Resistance: The scientific formula, advanced technology and complete technical equipment of magnesite manhole cover enable the product to be used normally in -50℃~+300℃ environment.
6. Resistant tocide and alkali resistance, corrosion, wear, vehicle rolling and long service life.
Galvanized water grate generally refers to one of the galvanized grate products. It is made of flat steel and cross-welded twisted steel, and finally by hot zinc treatment. This type of water grate has a wide range of uses and can be used in various manhole covers, ditches, drainage basins, underground garages, car washes, parking lots and other areas.