| 摘要 |
To provide a maintenance-easy two-port valve capable of easily assembling and disassembling a valve body and a bonnet, and preventing the bonnet from being detached from the valve body by an erroneous operation. In a two-port valve 1 having attachment means for detachably attaching a bonnet 21 to a valve body 2, the attachment means includes a plurality of shafts 16 fixedly attached to a valve body 2 and each having an engagement groove 17 on an upper end portion, a handle 31, a plate 41 rotatably provided between an upper end portion of the bonnet 21 and the handle 31 and having an engagement groove 43 engaged to or disengaged from the retaining groove 17 by rotating the plate 41, and an engagement pin 35 engaged with an engagement hole 44 provided in the plate 41 at a push-down position of the handle 31, transmitting the rotation of the handle 31 to the plate 41 and fixedly attached to the handle 31.
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