Original standard St HI VARIABLE FREQUENCY DRIVES - GUIDELINES FOR APPLICATION, INSTALLATION, AND TROUBLESHOOTING 2014 in PDF full version. Additional info + preview on request
Original standard St HI OPTIMIZING PUMPING SYSTEMS - A GUIDE TO IMPROVED ENERGY EFFICIENCY, RELIABILITY, AND PROFITABILITY 2008 in PDF full version. Additional info + preview on request
Original standard St VIBRATION CHARACTERISTICS OF STATIONARY ENGINE DRIVEN ROTODYNAMIC PUMP SYSTEMS 2020 in PDF full version. Additional info + preview on request