Hoppe’s Flow Control Systems are based on the operation of a reversible propeller pump with variable, positive or negative pump speed. The required system accuracy is ensured by „four-square“ operation of the pump based on known performance curves in all possible operating scenarios. The main features of the system are:

• Continuously running pump with variable speeds
• Pump flow, gravity flow and turbine operation
• Flow operating point: RPM = F(MWC)
• Zero flow = system standby
• Reduction of start-stop sequences
• Fast, flexible and accurate flow creation