Input for empty tank signal

They have a litre scale and a black screw cap

A durable and chemically resistant full PTFE diaphragm

Five-way valve

after-run function

dde 15 4 p pv v c x 32i002fg 97721044 Input for empty tank signalThe 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