... face mechanical seal (sealing, seal) 205, 206, 207 series Double face mechanical seal (sealing, seal)Type 205, 206, 207 ... , 206T, 207T are improved from 205, 206, 207. The bearings are taper roller bearings or angle touch bearing. 205CT, 206CT, 207CT are added ... are improved from type 205, 206, 207 which have no bearings inside. It can be used in agitating shaft which is ...