| 摘要 |
<p>The present invention provides a packing mounting and removing device including a packing mounting and removing rod, a rod support, a rod fixing nut, and a spiral line; and a packing mounting and removing device provided with a packing flange having a through hole, a gland bushing, a packing and a lantern ring, and a packing exchange method using the same. According to the present invention, by using the device it is not necessary to use any special equipment for removing the packing, and it is possible to mount and remove the packing without disassembling a driving section and a valve disc section. Therefore, it is possible to noticeably reduce time and cost required for the mounting and removing of the packing.</p> |
