Customized factory SMC Waterproof Square Manhole Drainage Cover for Petrol Station

This series of products have features as high loading capacity, 100% waterproof, flame retardant, anti-static, anti-UV：

1. 100% waterproof：the products comes with sealing rubber ring, will not cause any leakage.
2. High loadingcapacity: our products are strictly produced according to the BS EN124 Standard. This products has D400 loading ability . That means it can load about 40 tons. It can afford all kinds of heavy duty vehicle go through.
3. Flame retardantand Anti-static：The resin and fiberglass, which are the main raw materials for the product, are Flame retardant and Anti-static, so the finish product also has these two features.
4. Anti-UV: the adding of special anti-ultraviolet radiation agent make the product have excellent light stability and moisture resistance.
5. With a observe small lid: There is an observation hole at the top of the manhole cover. During use, inspectors can simply open the small lid to observe the inside of the manhole cover, so that can save energy and time on detaching and reinstalling.