Manhole Frames for Cable Ducts
The completion of cable manholes includes frames and covers, with the option of equipping covers with locking mechanisms. Similar to the bodies, frames and covers are available in different classes, depending on their properties.
The frame, as the crowning element of a cable manhole, serves as support for the cover, located on the surface intended for pedestrian or vehicular traffic. Materials used for the production of frame fittings include steel, cast iron, or galvanized steel. There are several types of frames available on the market:
Types of frames for cable manholes RL1 - light, single frame, available in classes A, B, C, D. RL2 - light, double frame, available in classes A, B. RSKO - light frame dedicated for SKO1 manholes, available in classes A, B, C, D. RC - heavy-duty frame, available in classes B, C, D, E, F.
The classifications of frames correspond to various requirements regarding strength and load capacity, allowing for adaptation to specific environmental conditions and applications. The locking mechanism in the covers provides an additional layer of security, ensuring safe and compliant use of cable manholes
