Cast iron manhole cover NR

rectangular

Triangular covers made of spheroidal graphite casting (ductile casting) according to EN 1563:1997, designed for rectangular manholes, type NR, necessary to telecommunications infrastructures. Frame in mechanic welded rolled steel, subjected to hot dip galvanizing by immersion according to EN 1461. Device consisting of 2, 4 covers for rectangular manholes type NR1 and NR2 respectively Each cover is fitted with two handles for lifting compatible with the maneuver keys of the major operators; In option, markings such as "Telecommunications", operator logo or other . FEATURES: Cover made of spheroidal graphite cast iron (ductile), according to EN-GJS-500-7, EN 1563:1997; According to EN 124:1995, Class D400. Frame in mechano-welded zinc steel*; Black painting for corrosion protection; Hydraulic seal to prevent the passage of odors; Armed with two handles to facilitate lifting of the cover; Embossed non-slip surface; Optimized frame to plumb in the surrounding concrete. Locking System for added security; * in option, frame submitted to dip galvanizing. Optionals: Custom markings INSTALLATION AREA: Carriageways of roads (including pedestrian streets), hard shoulders, and parking areas for all types of road vehicles.