The mechanical shaft seal is a special designed

or on the pressure relief valve

DDA 17-7 FC-PV/T/C-F-31U2U2FG The SMART Digital DDA is a compact positive displacement

DDA 12-10 FC-PVC/V/C-F-32I002F The SMART Digital DDA is a compact positive displacement

DDA 30-4 FC-PVC/V/C-F-31I002FG The SMART Digital DDA is a compact positive displacement

dda 60 10 ar pv v c f 31a7a7bg 99159458 The mechanical shaft seal isDDA 60 10 AR PV V 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,