... , 206, 207 series Double face mechanical seal (sealing, seal)Type 205, 206, 207 are axial double, multi-spring, liquid ... installation dimensions. Seal surface of installation flange has plane type (type ) and tenon groove surface type (type ).205T, 206T, 207T are improved from 205, ... can reduces 80130mm. 205H, 206H, 207H are improved from type 205, 206, 207 which have depose liquid collection. GW205 ...