Suitable for use on streets, sidewalks, parking lots, industries, residential areas and even ports and airports, Fuminas DN 800 plugs offer this application versatility because they have resistance in the E 400 and E 500 grades. Developed with ductile iron FE 50007, may be hermetically sealed or ventilated. They have a double pivot joint system with 110 ° opening and a 90 ° safety lock. They also have screw locking, a new anti-vibration and anti-vibration ring to support the cover and anti-theft system of the cover. To meet the requirements of energy, telecom and gas companies, the product has a lock that prevents access by unauthorized persons (each company has a unique and non-transferable secret). In compliance with standards NBR 10160 and EN 124.