PP / GRP SYNTHETIC MATERIAL 

DUPLEX-HYBRID MANHOLE

The PREDL DUPLEX-Hybrid manhole is an optimised manhole structure for a future orientated sewer Network.

The aim of the development for the DUPLEX-Hybrid manhole System is the combination of the precast concrete elements according to EN1917 (DIN 4034 part 1) with monolithic PP/GRP PREDL manhole base linsers and PP/PE synthetic lining until the first joint and as well as the newly developed Duplex-ring system .

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