| 摘要 |
PURPOSE:To prevent the dispersion of flow rates caused by the accuracy of manufacturing, by forming at least two kinds of switching passages having different diameters, in a pin in a part opposing a liquid passage, with the switching passages being spaced in the vertical direction. CONSTITUTION:A valve body 5 is formed therein with a liquid passage 3 communicating between the inlet and outlet sides 1, 2 thereof, and as well formed with a cylindrical hole 4 orthogonal to the liquid passage 3. A pin 6 which is rotatably fitted into the hole 4 is formed in a part opposing the liquid passage 3 with two kinds of switching passages 7A, 7B having different diameters with suitable spaces therebetween in the vertical and horizontal directions, respectively. By rotating the pin 6 to communicate either one of the switching passsges 7A, 7B with the liquid passage 3, two kinds of flow rates may be selected. |
