The VS series are vertical multi-stage pumps with all the components that are in contact with the liquid constructed of 304 stainless steel. External supports are in cast-iron. The mechanical seals are silicon/silicon/Viton. They have 2 pole motors, with class F insulation and IP44 protection. Single phase motors incorporate an overload protection device. They will pump clean water up to temperatures of 110°C. They are designed for medium and large water supply applications often found in commercial, municipal and industrial applications.