City main road manhole cover_round manhole cover D400

This project is a busy main road in the central urban area of the southern city with a large traffic volume. The manhole cover of this project uses 600mm D400 series products (SMC composite manhole cover, no noise when vehicles pass by). C250 manhole covers are used for sidewalks and green belts, and D400 are used for main roads, with a load capacity of 40t. Issues such as aesthetics, anti-slip, waterproof, durability, and silence need to be considered.

∅600mm(23.7") D400 SMC composite manhole cover＆frame
Size: ∅750X60mm(29.6"X2.4")
Clear open: ∅600mm(23.7")
Load Ratings: D400(40TON)、C250(25TON)、B125(12.5TON)
Working Temperature: -50℃～+150℃
Standard: EN124、EN1433、AS3996
Function: Sewer, Lockable, Anti Slip, Anti Static, Corrosion Resistantand aging resistant