They are installed in the discharge line near the pump

DDA 30-4 AR-PVC/V/C-F-32I002FG The SMART Digital DDA is a compact positive displacement

The motor includes a frequency converter and PI controller in the motor terminal box

The dosing flow can be adjusted by means of an adjustment knob on a logarithmical scale from 0

Input for empty tank signal

cr 3 5 a a a e hqqe 96509508 They are installed in theVertical, 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.