ddc 9 7 ar pvc v c f 32u2u2fg 97721441 or a DMX model 221

or a DMX model 221 dosing pump

The VFI is based on the principle of vortex shedding behind a bluff body

The motor is a 3-phase motor with sand shield

Spring material is Alloy C-4 (NiMo16CrTi

ddc 9 7 ar pvc v c f 32u2u2fg 97721441 or a DMX model 221DDC 9 7 AR PVC 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,