Grundfos recommend intermediate guide rail brackets to ensure stable installation and service of submerged pumps on auto coupling

La tenuta meccanica è secondo EN 12756

DDA 30-4 AR-PVC/T/C-F-31U2U2FG The SMART Digital DDA is a compact positive displacement

Pressure relief valves protect the pump in case of too high counterpressure

The pump has a double shaft seal and an intermediate oil chamber pre-filled with non-toxic special oil

dda 200 4 ar pv t c f 31a7a7bg 99159485 Grundfos recommend intermediate guide railDDA 200 4 AR PV T C F 31A7A7BG The SMART Digital DDA is a compact positive displacement, diaphragm dosing pump with variable speed drive (PMS 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,