CTN City telephone network
Weight holder (A15) – 9 kg.
Outside diameter – 760 mm.
Internal diameter – 600 mm.
Height – 55 mm.
Weight cover (A15) – 14 kg.
Weight hatch complete (A30) – 23 kg.
The maximum load – 1.5 ton (15 kN)
Outside diameter – 760 mm.
Internal diameter – 600 mm.
Height – 55 mm.
Weight cover (A15) – 14 kg.
Weight hatch complete (A30) – 23 kg.
The maximum load – 1.5 ton (15 kN)
The CTN (City Telephone Network) hatch is equipped with an additional intermediate cover and a locking device. The top cover of the hatch is marked “CTN.” These hatches are specifically designed for installation on cable communication manholes. Similar hatches are also utilized on thermal network manholes (TS). The hatches meet the technical specifications of GOST 3634-99 (Hatch B125 CTN 2.60). Additionally, lightweight CTN hatches of load classes A15 (15 kN) and A30 (30 kN) can also be manufactured upon request.