Manhole Covers and Frame
The Ductile Cast iron Manhole Covers and frames and gully and grate which are produced by our company with below advantages:
Security, prevent the cover being stolen
No noise.
High load-bearing
corrosion resistance
Safe
1. According to BS EN124:1994,
2. The material grade: GGG500/7,
3. Coating: black bitumen, epoxy powder.
4. A15, B125, C250, D400, E600 and F900
BEISAI Ductile iron manhole covers and gully grates are divided into the following classes:
A15, B125, C250, D400, E600 and F900.
Capacity load testing and inspection before delivery and loading containers
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