... series Double face mechanical seal (sealing, seal) 205, 206, 207 series Double face mechanical seal (sealing, seal ... bush type seals. 205 is non-balance type; 206 is atmosphere side balance type; 207 is double ... ).205T, 206T, 207T are improved from 205, 206, 207. The bearings are taper roller bearings or ... 205H, 206H, 207H are improved from type 205, 206, 207 which have depose liquid collection. GW205 is ...