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First, elaborate: Electric three-way ball valve is composed of electronic electric actuator and three-way ball valve, is a kind of rotary cut off regulating valve, with close, compact, light weight, easy maintenance and so on. Widely used in gas, liquid, steam, oil and other corrosive media pipeline automation and control. Two seat three-way ball valve seal with a compact, beautiful appearance, good sealing performance. It enables switching of media flow in the pipe. It also allows two channels perpendicular to each other to communicate or shut down. The four-seat sealed three-way ball valve is handsome in appearance and compact in structure. It can not only switch the flow direction of the medium, but also enable the three channels to communicate with each other. At the moment, either channel can be closed to make the other two channels communicate with each other flexibly Pipeline medium confluence or diversion. Second, the electric three-way ball valve media flow principle Three-way ball valve points L and T-type. L-type three-way ball valve for medium flow switching, can make two channels perpendicular to each other: T-type ball valve for medium diversion, confluence or flow switching, T-channel can make the three channels connected to each other or One of the two channels connected, three-way ball valve generally two seat structure, can also be used according to user requirements four seat structure. Third, the electric three-way ball valve electrical parameters Electric actuator type: Angle travel electronic electric actuator. Technical data and performance: Please refer to the instructions of the corresponding actuator and valve positioner. Control accuracy: 0.1% ~ 3.1% adjustable. Control signal: 0 ~ 10mA.DC, 4 ~ 20mA.DC or 1 ~ 5V.DCv button selection: 1, the input signal interrupt: "interrupt" mode , Control accuracy selection. Moving device fully open, fully closed position automatic positioning calibration, convenient and accurate. According to the input signal and the position of the electric device, the intelligent step-by-step adjustment automatically positions to suppress the oscillation with high accuracy. Output electric device position signal: 4 ~ 20mA.DC corresponding electric device fully closed, fully open.