SMC molded manhole covers is a new type of colored high-strength covers with advanced technology and equipment molding. Heavy duty manhole covers’ loading pressure is up to 400KN above which is far more than 240KN national standards. This product is normally
used at -40 ℃ to 90 ℃. The service life is 5 - 10 years longer than that of cast iron covers. Its performance indicators meet and exceed the international requirements of similar products. It is a replacement product of other various covers. It is widely used in municipal, pipeline, channel, power supply, water supply and other projects.
Main Products: ductile iron pipe ,pipe fitting ,steel pipe ,valve
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