... balance type; 206 is atmosphere side balance type; 207 is double balance type. Standard HG5-748-78 ... 205T, 206T, 207T are improved from 205, 206, 207. The bearings are taper roller bearings or angle touch ... 206CT, 207CT are added a thermoregulator to 205, 206, 207. It can be used in -40-350. 205N, ... 206H, 207H are improved from type 205, 206, 207 which have depose liquid collection. GW205 is improved type ...