
Cast Iron Grating Product Features:
Soundproofing
Noise-free and eco-friendly standards are the new requirements for the design of new-style manhole covers. The innovative five-proof design of the new manhole covers employs a design concept that ensures vehicles collide with the rim of the cover rather than the cover itself, preventing the entire cover from sinking. This effectively addresses the issue of "worn edges" around city manhole covers.
Anti-theft
Equipped with anti-theft design, the lock and key are made of high-hardness, corrosion-resistant brass to prevent rusting during daily use, rendering the manhole cover inaccessible.
3. Fall Protection
High load-bearing capacity. During testing, a ductile iron manhole cover withstanding a pressure of 500KN remained undamaged, far exceeding the capacity of (360KN). It can support various heavy-duty trucks, effectively preventing accidents caused by the manhole cover falling.
4. Anti-slip
Exquisite casting techniques ensure a clear product line. The manhole covers feature common anti-slip patterns, increasing friction to prevent pedestrians from slipping on rainy, snowy, or icy conditions.
5. Materials
Increase the density of the products, enhancing their compressive, bending, impact resistance, heat and cold tolerance, wear resistance, acid and alkali resistance, aging resistance, and deformation resistance.


































