dde 15 4 b pvc e c x 31u2u2fg 97720991 The mechanical shaft seal is

The mechanical shaft seal is a special designed

an external thermal switch must be connected (contact Grundfos)

Operation mode switch key between manual and pulse

Modbus RTU communication via GSM/GPRS

dde 15 4 b pvc e c x 31u2u2fg 97720991 The mechanical shaft seal isThe SMART Digital DDE is a compact positive displacement, diaphragm dosing pump with variable speed drive (stepper motor) and intelligent control electronics with minimum energy consumption. The SMART Digital Dosing series operates at full stroke length to ensure optimum accuracy, priming and suction, even for degassing liquids. The duration of each discharge stroke varies according to the capacity set, resulting in optimum smooth and continuous