Nominal Diameter 1.5" - 12"
The RAF 20 regulates the pressure level during the start and shut-off of a pump to protect the pumping assembly and the downstream network. The RAF 20 is applicable with slightly different layout and switching, for either vertical (deep well) or horizontal (booster) pumps.
the valve is connected electrically to the pump's control panel.
Use RAF 20:
* with any pump to protect the pump housing, the pumping accessories and water lines.