109机械密封系列属单端面、单弹簧、非平衡橡胶波纹管机械密封，可以任意旋向。
109机械密封系列是常用的密封，结构参照国外的同类产品设计，它设计精巧、外形美观，具有多种功能，通过动环更换成各种材料。可在含有颗粒的废水、污水中应用。109机械密封也可用于串联式或背对背式的双端面密封。 |
除G4静环外，还可提供G6,G60,G9静环(DIN24960)
| ●静环(陶瓷/碳化硅/碳化钨) |
| ●动环(车制石墨/碳化硅/碳化钨) |
| ●辅助密封(丁腈胶/三元乙丙胶/氟胶) |
| ●弹簧及其它金属件(不锈钢) |
|
| Seal size d(mm) | d2 | d3 | dst | d11 | d12 | L1 | L14 |
| 8 | 17.5 | 19.0 | 23 | 14.5 | 18.2 | 12.5 | 5.0 |
| 10 | 20.5 | 22.5 | 24 | 15.5 | 19.2 | 14.5 | 6.6 |
| 12 | 22.5 | 25.0 | 26 | 17.5 | 21.6 | 15.0 | 5.6 |
| 14 | 26.5 | 28.5 | 30 | 20.5 | 24.6 | 17.0 | 5.6 |
| 15 | 26.5 | 28.5 | 30 | 20.5 | 24.6 | 17.0 | 6.6 |
| 16 | 26.5 | 28.5 | 30 | 22.0 | 28.0 | 17.0 | 7.5 |
| 18 | 29.0 | 32.0 | 33 | 24.0 | 30.0 | 19.5 | 8.0 |
| 19 | 33.0 | 37.0 | 38 | 29.5 | 35.0 | 21.5 | 7.5 |
| 20 | 33.0 | 37.0 | 38 | 29.5 | 35.0 | 21.5 | 7.5 |
| 22 | 33.0 | 37.0 | 38 | 29.5 | 35.0 | 21.5 | 7.5 |
| 24 | 38.0 | 42.5 | 44 | 32.0 | 38.0 | 22.5 | 7.5 |
| 25 | 38.0 | 42.5 | 44 | 32.0 | 38.0 | 23.0 | 7.5 |
| 28 | 44.0 | 49.0 | 50 | 36.0 | 42.0 | 26.5 | 9.0 |
| 30 | 44.0 | 49.0 | 50 | 39.2 | 45.0 | 26.5 | 10.5 |
| 32 | 46.0 | 53.5 | 55 | 42.2 | 48.0 | 27.5 | 10.5 |
| 33 | 46.0 | 53.5 | 55 | 44.2 | 50.0 | 27.5 | 11.0 |
| 35 | 50.0 | 57.0 | 59 | 46.2 | 52.0 | 28.5 | 11.0 |
| 38 | 53.0 | 59.0 | 61 | 49.2 | 55.0 | 30.0 | 10.3 |
| 40 | 55.0 | 62.0 | 64 | 52.2 | 58.0 | 30.0 | 10.8 |
| 42 | 58.0 | 65.5 | 67 | 53.3 | 62.0 | 30.0 | 12.0 |
| 43 | 58.0 | 65.5 | 67 | 53.3 | 62.0 | 30.0 | 12.0 |
| 45 | 60.0 | 68.0 | 70 | 55.3 | 64.0 | 30.0 | 11.6 |
| 48 | 63.0 | 70.5 | 74 | 59.7 | 68.4 | 30.5 | 11.6 |
| 50 | 65.0 | 74.0 | 77 | 60.8 | 69.3 | 30.5 | 11.6 |
| 53 | 70.0 | 78.5 | 81 | 63.8 | 72.3 | 33.0 | 12.3 |
| 55 | 72.0 | 81.0 | 83 | 66.5 | 75.4 | 35.0 | 13.3 |
| 58 | 75.0 | 85.5 | 88 | 69.5 | 78.4 | 37.0 | 13.3 |
| 60 | 79.0 | 88.5 | 91 | 71.5 | 80.4 | 38.0 | 13.3 |
| 65 | 84.0 | 93.5 | 96 | 76.5 | 85.4 | 40.0 | 13.0 |
| 68 | 88.0 | 96.5 | 100 | 82.7 | 91.5 | 40.0 | 13.7 |
| 70 | 90.0 | 99.5 | 103 | 83.0 | 92.0 | 40.0 | 13.0 |
| 75 | 95.0 | 107.0 | 110 | 90.2 | 99.0 | 40.0 | 14.0 |
| 80 | 100.0 | 112.0 | 116 | 95.2 | 104.0 | 40.0 | 15.0 |
| 85 | 107.0 | 120.0 | 124 | 100.2 | 109.0 | 41.0 | 14.8 |
| 90 | 114.0 | 127.0 | 131 | 105.2 | 114.0 | 45.0 | 14.8 |
| 95 | 119.0 | 132.0 | 136 | 111.6 | 120.3 | 46.0 | 15.8 |
| 100 | 124.0 | 137.0 | 140 | 114.5 | 123.3 | 47.0 | 15.8 |
