They are installed at the lower end of the suction hose and consist of strainer (mesh size 0

random start delay in case of general power shutdown

or a DMX model 221 dosing pump

specifically designed for pumping wastewater containing discharge from toilets

The pumps can be installed on an auto-coupling system or on a ring stand to the bottom of the pit

ddc 6 10 ar pp v c f 32u2u2fg 97721364 They are installed at theDDC 6 10 AR PP V C F 32U2U2FG The SMART Digital DDC 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,