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Twin wall drainage

 Features

 Material  HDPE
 Uses Building, roads, motorways, railways, agriculture, sport fields, golf courses---
 Twin wall Corrugated outside - smooth inside
 Perforations 360 º  (Coils)
240º (Bars)
 Standards UNE 53994
Stiffness classes SN4 - SN2 

Domensions

 Coil/ C2ED / TP Bar/ C2ED / SP
Diameter506390110125160200 110125160200250315400

Ouside

 50

63 

90

110

125

160

200

 

110

125

160

200 250 315 400

Inside

    75 92 107 135 170   92 107 135 170 220 276 345

Meters

50 63 50 50 50 50 25/50   6 6 6 6 6 6.1 6.1