| 摘要 |
The present invention relates to a diaphragm valve including a locking device. The diaphragm valve given in the present invention includes: a main body which has an internal space for forming a duct; a diaphragm which is placed in the internal space of the main body in an elastically-deformable manner and selectively opens or closes the duct; a cover which is combined to the main body and covers the diaphragm; a handle which is installed on the cover in a rotatable manner; a pressurizing unit which is combined to the handle, rotates inside the cover, and pressurizes the diaphragm to lift up or down the diaphragm; and a locking pin which is combined to the handle and the cover in a detachable manner and prevents the handle from arbitrarily moving. |
