Concrete tubes with installed rubber 2500 mm long seal type „C“ HRN U.N1.051

  • concrete sewerage tubes type C are round tubes without foothill with feather joint and 2500 mm long slot
  • they are made of concrete of natural and grinded stone aggregate of 0-4 mm granulation, natural stone aggregate of 4-8 mm and natural stone aggregate of 8-16 mm granulation
  • concrete must be homogeneous
  • tubes must be flat and smooth inside and outside
  • they may not contain cracks nor segregated concrete
  • concrete sewerage tubes type C are used for sewerage systems which do not require waterpermeability of sewerage system
  • concrete tubes are round, 2.5 m long and bear designation C according to standard HRN.U.N1.051 meaning they are tubes with strengthened walls
  • tubes have high bearing capacity
  • resistance to crown pressure is depending on tube profile 1,7 to 2,9 times bigger than with tubes that have wall of normal thickness
  • tubes must be water impermeable and must have installed rubber seals so that joints between tubes are water permeable.
  • product range includes tubes with following diameter: Ø-300 mm, Ø-400 mm, Ø-500 mm, Ø-600 mm and Ø-800 mm

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