Depending on its size and frequency

unbalanced O-ring seal

This enables continuously variable control of the motor speed

Installation set includes:

and have a screw plug (PE/EPDM)

dde 15 4 p pv e c x 31u2u2fg 97721037 Depending on its size andThe 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