They only need to be connected to the mains supply

DDC 6-10 A-PVC/T/C-F-31I001FG The SMART Digital DDC is a compact positive displacement

semi-open impeller for 30 mm free passage and is suitable for pumping

DDC 9-7 A-PP/E/C-F-32I002FG The SMART Digital DDC is a compact positive displacement

cr 5 5 a a a e hqqe 93391090 They only need to beVertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). The pump head and base are in cast iron all other wetted parts are in stainless steel. A cartridge shaft seal ensures high reliability, safe handling, and easy access and service. Power transmission is via a rigid split coupling. The pump is fitted with a 3 phase, fan cooled asynchronous motor.