Conical reducer
Made of polyethylene by rotomolding, it is installed onto the rise and allows rise tapering from ND 1200 or ND 1000 up to ND 600 mm for crawl space |
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Slotted rise
Composed of a high-density polyethylene twin-layer corrugated pipe ND 1000 or 1200 mm has a stiffness class of 4 kN/m2 |
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Coupling
Welded onto the rise external wall, allows to connect polyethylene corrugated pipes or PVC pipes with ND 160 or ND 200 diameter. |
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Closing plate
Made of polyethylene with 10 mm thickness is welded to the rise internal wall |
