... control.High-High voltage resource VFD, direct 3, 3.3, 4.16, 6, 6.6, 10, 11 kV input, ... with the standard analog signal of 0~10V or 4~20mA Integrated PID regulator to make the flexible close ... exhausting pump, Boiler feed water pump, Slurry pump. Metal: Dust air fan, Primary air fan, Pump, Compressor. Oil & Gas: Oil transferring pump, Water injecting pump, Electric submersible pump, Water Pump, ...