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Corrugated pipelines

Double layer corrugated polypropylene systems are considered up to today the preferential solution in no-pressure applications due to their inexpensiveness, lightness and facility of jointing in comparison to the traditional materials.

Pipes
  ♦   DN 200-1000 mm
  ♦   ID and OD series
  ♦   Std length = 6 m
Manholes
  ♦   DN 800-1000 mm
  ♦   heigth 1 to 3 m
  ♦   internal PP ladder
  ♦   conical top
Fittings
  ♦   bends 15° & 30°
  ♦   bends 45° & 90°
  ♦   tees 90° & 45°
  ♦   reduction joints
  ♦   sleeve couplers
REFERENCE STANDARDS
   EN 13476-1 Plastics piping systems for non-pressure underground drainage and sewerage – Structured wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) – Part 1: General requirements and performance characteristics
   EN 13476-1 Plastics piping systems for non-pressure underground drainage and sewerage – Structured wall piping systems of unplasticized poly(vinylchloride) PVC-U, polypropylene (PP) and polyethylene (PE) – Part 3: Specifications for pipes, fittings and the system, Type B
   DIN 16961-1 Thermoplastic pipes and fittings with profiled outer and smooth inner surfaces - Part 1: Dimensions