The easiest and fastest way to install a bearing guided penstock in a circular shaft. Without cost-intensive concrete work or special penstock designs. The BÜSCH levelling stone is made of tough special concrete. Sealing is achieved either by means of a wastewater-resistant adhesive or an appropriate sealing compound. The levelling stone is fixed with the chemical bond anchors of the penstock.
Penstock with rectangular opening, 4-sided sealing
Large penstock with rectangular opening, 4-sided sealing
Large penstock with semicircular opening, 4-sided sealing
Penstock with rectangular opening, 4-sided sealing