EN ISO 13709This description is for standard: EN ISO 13709ISO 13709:2009 specifies requirements for centrifugal pumps, including pumps running in reverse as hydraulic power recovery turbines, for use
EN ISO 2858This description is for standard: EN ISO 2858Specifies the main parameters and describes the pump designation which consits of three numbers. The table covers flange sizes from 50 mm up to