Specification of sewer cover:
1. Anti-theft: material has no recycling value and natural anti-theft. Even if there are steel reinforcement inside.
2, Noise reduction: with lock device, when vehicle pass, there is no slippage, no harsh noise and anti-interference phenomenon. The cover and the base are tightly fastened, which avoid the “jump, slap, ringing of the manhole cover when passing the car.
3, sealing performance: no vent manhole cover can prevent garbage entering the cover, but also prevent children from throwing dangerous materials such as firecrackers inside. with sealing strip can prevent rainwater leakage.
4. Design ability: The composite manhole cover can be customized according to the clients require, including color, plate, logo etc.
5, bearing performance: according to the national standard can be divided into A15, B125, C250, D400, E600, F900 load level.
