Part for height adjustment of 700/640 polyethylene covers for septic tanks, wastewater treatment plants, separators, Valrom tanks, max. 700 mm.
The part is made of polyethylene, with a single-layer structure, using the process called rotomolding.
The accessories, ordered separately, for installing this part are: DN640 sealing gasket code 47901000116 (ensures sealing between the part and the tank) and manhole extension fixing part code 47901000125 (ensures the part’s stability on the tank).