97/2 Componenti oleodinamici Hydraulic parts 2 Perdite di carico distributori WALVOIL SD11 Walvoil SD11 control valves pressure drops Open centre From input to use From use to discharge From side to input to side output From side to input to A use (pointer position 1) or B (pointer position 2) From a use (pointer position 2) or B (pointer position 1) to side discharge