Стеклопластиковые SMC BMC ВРП FRP крышку люка

Fiberglass SMC BMC GRP FRP manhole cover includes the manhole base and round cover with open holes.Both parts are made of SMC/BMC material. There is a self-locking compression lock around the base under the cover and abayonet, as well as a cassette onthe base. It has the properties of light weight, self-locking, high strength,corrosion resistance and theftproof etc. Itis not only suitable for urbanroads, living community but also applicable toacid, alkali, salty and water polluted environment.Manhole cover is a new product developed inrecent years and will replace the plastic, wooden, and cement cover. Because the composite material manhole cover has the following features: 1. well theftproof: the product is made of polymer composites by heat mould pressing, and no second usage value, so its theftproof. 2. convenience and good appearance, the weight is only one third that of the iron one with the same spec, so it is easy to install and maintain, and can design different specsin different colours according to customers requirement. It is convenient for management and beautify the citiy. 3. long service life: acid and alkali resistance, no rust, electrical insulation, abrasion resistanceand weather resistance. And the service life is over 30 years. 4. high precision, because this product ismade by high temperature mould pressing, the gap between the base and the cover is small, it over comes the issue of running, jumping and sounding which happened on the cast-iron, cement ones. Composite material manhole cover isalso widely applied in new factory construction and distribution room for cable cover.If you don't find anyproduct in our rangeto match exactly your needs, just define us your needs. We are committed to work with you and find the best solution.