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ABOUT ROUND LAWN MANHOLE COVER
| product | model(millmeter) | material | color | weight(kg) | application |
| grass planting plot | 600x150 | composite resin,fiber glass | as you like | 18 | motorized vehicles, municipal pipelines, communications, power, water supply, Green belt area,park,school and other projects. |
ROUND LAWN MANHOLE COVER TRAITS
1.Light weight:
product weight is only about one third of cast iron, easy to transport, install, repair, greatly reducing the labor intensity.
2.Security:
The composite plastic composite material recovery value-free, natural anti-theft; according to customer needs and has a locking mechanism to achieve the wells of property theft.
3.Environmental protection:
with environmental raw material, non-toxic, harmless to the user, beautifies the urban environment,save energy,noise reduction.
4.the overall economic good:
with more than ordinary carbon steel, composite material covers integrated, low cost, although its one-time investment than ordinary carbon steel, because of its long life, and can be used two decades, and no maintenance, thus The overall economic efficiency is much better than using carbon steel;
5. high strength: its strength is ten times as rigid PVC, much higher than the absolute strength of aluminum to achieve the level of ordinary steel;
6. fatigue resistance:
composite covers have some flexibility, which makes the people who work in the above long-term comfort, as a work platform, reducing the staff of the legs and back tension, increase the comfort of working to improve efficiency, human engineering scientists have been recommended;
round lawn manhole cover