Design B8 Max. drive speed within 1121 - 1500 min-1 Fluorinated sealing rings on fast and slow-running shaft (TV3) Double seal on fast and slow-running shaft (DT3) shafts (DT3) Filled with synthetic oil based on polyglycol (O1) Closed screws Without fan and fan cover Without a fan, the end of the shaft must be protected by the customer.