Casing pipes type RKLS and RKLSP made of PVC are flame retardant pipes (the fire goes out after removing its source). They are designed to protect electrical installations in construction and industry against: mechanical factors, temperature influences and moisture. RKLS and RKLSP pipes can be laid and poured with concrete. They retain good flexibility, and the shape of the longitudinal section ensures trouble-free insertion of wires and cables over long distances. They also guarantee easy access to electrical cables and trouble-free troubleshooting of the electrical installation during operation. Equipped with a steel pilot.