| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a gate valve and a control device not causing wear of a gate valve main body and loss of a seal without requiring attention to installation and operation as their constitution is simple. SOLUTION: It is a gate valve assembly constituted to control passing of at least one flow of fluid 1 between at least one upstream side, that is, a primary conduit and at least one downstream side, that is, a secondary conduit and furnished with a movable gate valve main body forming a distribution and closing member, and the gate valve main body 4 forms a part of walls of one or a plural number of intermediate conduit parts 5, 5' to connect at least one of the aforementioned upstream side, that is, primary conduit 2 to at least one of the downstream side, that is, secondary conduits 3, 3'.</p> |
