Allow the sleeveflange to return to its original position.
允许套管法兰回到它的初始位置。
2
Retighten all flange bolts in a star pattern in order to extrude rubber sleeveflange material.
为了将橡胶套管法兰挤出来，需要按照星形模式重新紧固所有法兰螺栓。
3
For ease of installation, insert all flange bolts through the valve flange and then through the sleeveflange, but do not let the bolts extend beyond the surface of the flange rubber (See Figure 4).