A Design of Centrifugal Pumps With 250 Liters / Second Capacity for Water Supply at Boarding School in Cibubur, Jakarta TimurSugeng Prayitno, Bambang Sudjasta and M. Rusdy HatuweE3S Web Conf., 328 (2021) 07017DOI: https://doi.org/10.1051/e3sconf/202132807017