The shaft seal is according to EN 12756

A pressure sensor monitoring changes in the water consumption signals the speed controller to change motor speed to adapt performance to the new state

volute pump with in-line suction and discharge ports of identical diameter

that ensures high corrosive resistance

pump alternation

dda 30 4 fcm pv t c f 31i002fg 97722352 The shaft seal is accordingDDA 30 4 FCM PV T C F 31I002FG The SMART Digital DDA 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 high viscosity or degassing liquids. The duration of each discharge stroke varies according to the capacity set,