日本山武azbil电动二通球阀执行器MY5370A0000 日本山武azbil电动二通球阀执行器MY5370A0000 Overview Model MY53_0A actuator is designed specifically for Models VY53_2 two-way and VY53_3 three- way proportional control ball valves, which control the chilled/hot water in heating,ventilation and air conditioning (HVAC)applications. ACTIVAL Model MY53_0A_000 has a reversible synchronous motor, which operates at a low voltage of 24 VAC. Six kinds of control signals are available to operate the ACTIVAL ball valves: ●Floating(3-position)with nominal 135Ω feed- back potentiometer ●Nominal 135 Ω resistance input 4-20 mA DC input ·2-10 V DC input ·0-10V DC input ●Floating(3-position) These control signals provide proportional control in combination with an electric/electronic proportional controller or a DDC(direct digital control)controller. *DDC: Direct Digital Control