or a DMX model 221 dosing pump

pump head and impeller) can be removed for maintenance or service while the pump housing remains in the pipework

which again enables adaptation of the performance to a given requirement

A pressure sensor monitoring changes in the water consumption signals the speed controller to change motor speed to adapt performance to the new state

The DDA-C has built-in connectivity that allows easy setup and tracking via the Grundfos GO app as well as easy integration into a Modbus RTU or TCP bus system

pressure loading valves 95730744 or a DMX model 221Pressure loading valves provide a constant counter pressure and prevent siphoning They are installed in the discharge line after the pressure relief valve, and after the pulsation damper, if fitted.