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

volute pump with in-line suction and discharge ports of identical diameter

DDA 12-10 FCM-PV/T/C-F-31U2U2F The SMART Digital DDA is a compact positive displacement

Examples include villages

water-lubricated journal bearings and a volume compensating diaphragm

ddc 6 10 ar pp v c f 31i001fg 97721363 The VFI is based onDDC 6 10 AR PP V C F 31I001FG 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,