Products Menu Panasonic Sensors Mitsubishi Electric Control System Epson Robots Koganei Pneumatics AirTAC Oriental Motor Nitta Moore Tube, Hose and Fitting Convum Vacuum System THK Shimpo Reducer NemaAsia Solutions Patlite Products Fluid Control Equipment / Proportional Control Valves – KFPV It was developed on the basic concepts of High precision, efficiency, and simplicity.It enables stepless adjustments of flow rate by changing the magnitude of input signals.High precision control of air, gases, liquid, and various types of media.