Finger valve series VHK has a large effective area of 2.0 to 17.5mm². This series begins with a minimum tube O.D of ø4. The valve direction clearly indicates whether the valve is open or closed (shut to open is counter- clockwise). Classification of knob by color difference facilitates distinction between 2 port valves (gray) and 3 port valves (blue). The optional flame resistant model's knob
② For the standard type, the part number is “VHK2A-02S-06F.” In July 2019, the VHK series was refreshed as the VHK-A series. The knob is now equipped with a function to prevent the knob from coming out, but the specifications and dimensions are the same as those of the existing product. Refer to the catalog for the different 1 (P) and 2 (A) combinations.