... the valve electric device product, used to control electric valve opening and closing Technical parameters1, ... system.2,Control power, BFA-1 1.1Kw BFA-2 1.1Kw-4 Kw3,Environmental temperature, - ... can not answer. Electric valve controller for automatic control system, 12, 13, 14 terminals used to ... is lit, live remote control switch point to the remote control, remote control indicator lights 4,Hand wheel ...