... face mechanical seal (sealing, seal) 205, 206, 207 series Double face mechanical seal (sealing, seal)Type 205, 206, 207 ... , 206, 207. The bearings are taper roller bearings or angle touch bearing. 205CT, 206CT, 207CT are added a thermoregulator to 205 ... . All stainless steel is used in it. 205, 206, 207 series Double face mechanical seal