... pressure balanced structure 2.equipped with inlet balance sealing ring Electric Straight Way Globe Control Valve Body Trim, temperature ... 20mA·DC (input R 250Ω)3810 actuator4~20mA·DC or 1~5V (input R 250Ω)SKZ actuator4~20mA·DC ... actuator220V, 50Hz3810 actuator220V, 50/60HzSKZ actuatorsingle-phase control 220V·50HzPSL actuatorsingle-phase control 220V·50Hz; three-phase control 380V, 50Hz DN20, 25, 40, ...