RAINWATER MANAGEMENT AND DRAINAGE SYSTEMS Drainage systems

FREIPOL STRENG SICKER PP and
FREIPOL DREN EXTRA PE

o Polypropylene drainage system – FREIPOL STRENG SICKER PP, according to DIN EN 1852-1

Suitable for water draining in the fields of railway and tunnel construction. For subsoil draining off  a wide range of track constructions, such as roads, highways, railways and agricultural roads as well as underground engineering.

- heavy duty pipe system of 100% polypropylene (without mineral modifiers), according to DIN EN 1852-1 (underground drainage and sewerage), sleeve installed and highest point marked

- suitable for use under UIC 71 rail traffic loads, at high static and dinamic loads

- suitable for all soil groups from G1 to G4 according to ATV.DVWK.A127

- excellent hydraulic properties, installation also with slight slope

- slotting of TP/MP/LP pipes with 5 - 16 mm (SN8, SN16) slot-width according to standard (on request 1,6mm/SN8)

- complete fittings program

Beneficial properties:

- material 100% polypropylene

- environmentally friendly

- high resistance to impact, point load resistance

- high pressure cleaning applicable up to 200 bar

- integral sockets enable easy and fast installation

- possibility of a subsequent connection of pipelines to public mains using FREIPOL DOCK saddle tap tees in dimensions DN160 and DN200


o Polyethylene drainage system – FREIPOL DREN EXTRA PE, according to DIN EN 4262-1

For subsoil drainage off  the complete range of track constructions, such as roads, highways, railways and agricultural roads as well as underground engineering. 

- fully and partially perforated and dual-purpose drain functions available

- excellent hydraulic properties, installation also with slight slope

- UP/MP/LP/TP slotting

- installation length: 6 m

- twin wall (corrugated surface outside, smooth inside surface)

- SN8-8kN/m2 stiffness class, with rubber ring on one end

- complete fittings program

Beneficial properties:

- high resistance to impact, point load resistance

- high pressure cleaning applicable up to 130 bar

- integral sockets enable easy and fast installation


Totally perforated
drainage pipe (TP) - Slotting in the entire pipe (360°).

Locally perforated drainage pipe (LP) Slotting in the upper sub-area approx. 220 °.

Multi-purpose drainage pipe (MP) Slotting in the upper sub-area approx. 116 °, watertight sleeve connection with sealing ring.

Unperforated drainage pipe (UP) Without perforations with sealing ring for watertight, leaking water.