... 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 ... a thermoregulator to 205, 206, 207. It can be used in ...