| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve device capable of preventing a foreign matter or the like from flowing between a valve seat and a valve body, and capable of improving a pressure-resisting function.SOLUTION: A valve device includes: a partition wall 5 that is provided inside a valve box 4 and where a valve seat 6 is disposed; a filter 10 that is disposed to be attached and detached to an upstream side of the partition wall 5 to remove a foreign matter mixed with fluids flowing into the valve seat 6; an attachment/detachment port 7 for the filter 10 that is provided in the valve box 4; and a cover member 8 for opening and closing the attachment/detachment port 7. |
