Grundfos SMART Digital S DDE

Grundfos SMART Digital S DDE is the essential model in the SMART Digital S range for simple chemical dosing duties. It is used where operators need reliable digital dosing with basic control functions and straightforward capacity adjustment. Typical applications include water treatment, utilities and industrial dosing tasks with clearly defined operating requirements.The pump is constructed with internal stroke-speed and frequency control using a stepper motor. It delivers smooth continuous dosing and operates at full stroke length, which supports consistent metering across the selected capacity range. A flexible mounting plate and capacity adjustment knob simplify installation and day-to-day setup.SMART Digital S DDE covers small dosing duties with two models from 0.006 to 15 l/h. Manual control from 0.1 to 100% is available, and selected variants provide pulse control as well as inputs for external stop and empty-tank signal. These functions make the model suitable for standard dosing points where simplicity and repeatability are the main requirements.The DDE model helps reduce operational complexity while still providing controlled digital dosing. For maintenance teams, the simple interface supports easy adjustment and predictable service routines. AxFlow can help confirm the correct model size, chemical compatibility and installation accessories for dependable operation.