| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a selector valve with enhanced workability and maintainability by efficiently mounting pilot valves and a printed circuit board on a top face of a main valve part such that disassembly and assembly become easy. <P>SOLUTION: A valve adapter 4 is attached to a top face of a housing 10 of the main valve part 2 by a first screw 24, the pilot valves 6a and 6b are attached on the valve adapter 4 by a second screw 26, the printed circuit board 42 is arranged on top parts of the pilot valves 6a and 6b and they are electrically connected together, a protective cover 44 covering the valve adapter 4, the pilot valves 6a and 6b, and the printed circuit board 43 is airtightly attached to the top face of the housing 10 by a third screw 59, a pilot supply passage 29 is formed between the valve adapter 4 and the housing 10, and relay holes 31 and 32 for communicating the pilot valves 6a and 6b with each passage hole 21a, 21b, and 21c for pilot are provided on the valve adapter 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
