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207 series Double face mechanical seal (sealing, seal)

205, 206, 207 series Double face mechanical seal (sealing, seal)

Type 205, 206, 207 are axial double, multi-spring, liquid outside flowing, driven by bush type seals. 205 is non-balance type; 206 is atmosphere side balance type; 207 is double balance type. Standard HG5-748-78 (called standard 78) and HG/T2098-2001 (called standard 01) are available now and have different installation dimensions. Seal surface of installation flange has plane type (type ) and tenon groove surface type (type ).

205T, 206T, 207T are improved from 205, 206, 207. The bearings are taper roller bearings or angle touch bearing. 205CT, 206CT, 207CT are added a thermoregulator to 205, 206, 207. It can be used in -40-350. 205N, 206N, 207N are improved from type 205, 206, 207 which have no bearings inside. It can be used in agitating shaft which is supported well. The length of mechanic seal can reduces 80130mm. 205H, 206H, 207H are improved from type 205, 206, 207 which have depose liquid collection. GW205 is improved type from 205. All stainless steel is used in it.