They have a litre scale and a black screw cap

in tal modo

low level and empty switch

The Grundfos CMBE booster requires no external motor protection

motor stool

dde 15 4 p pv t c x 32i002fg 97721048 They have a litre scaleThe 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