The unbalanced rubber bellows seal is according to DIN EN 12756

DDC 9-7 A-PV/V/C-F-31U2U2FG The SMART Digital DDC is a compact positive displacement

Electrical overview via the CU 362 operator display

where gravity sewage systems are not available

expansion tank

ddc 6 10 ar pv t c f 32i001fg 97721390 The unbalanced rubber bellows sealDDC 6 10 AR PV T C F 32I001FG 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,