Signal inputs/outputs:

Advanced pump alternation with pump groups

8mm) non return valve

an external thermal switch must be connected (contact Grundfos)

sl1 50 80 40 2 51e c 98626074 Signal inputs/outputs:Non self priming, single stage, centrifugal pump designed for handling wastewater, process water and unscreened raw sewage. The pump is designed for intermittent and continous operations in submerged installation. The revolutionary S tube impeller provides free spherical passage of solids up to 50 mm and is suitable for wastewater with a dry matter content of up to 3 %. A unique stainless steel clamp assembling system enables quick and easy