The pumps of the VR4 series are made of cast iron of considerable
thickness, exceptional robustness, abrasion resistance and dura-
bility. They are equipped with VORTEX-type impellers and are the-
refore suitable for the drainage of sewage, sewage mixed with
sludge, revived sludge and putrid water. They are suitable for
installation in sewers, tunnels, excavations, canals, underground
car parks, etc.