D633/634 Direct driving type series servo proportional valve 1) Totally replaced by 531/32 servo valve 2) With Same mounting size 3) Flow range10-200L/min 4) High frequency response 5) Stable working status in servo actuating system 6) Lower price and thoughtful service MACROWAY is specialized to offer high precision servo valves and servo valve's parts, and also offer Various of servo valves' repairing service for Global market ! We can offer servo valves with good quality ,and Competitive prices, Please kindly contact us if you need Any model servo valve. 30 series servo valve; 31 series servo valve; 35 series servo valve; G761/ G760 servo valve; 062-191C servo valve; G730 servo valve; G631 series servo valve; D072 series servo valve; D633/634 Direct driving type series servo proportional valve; G791/792 series servo valve