SFB和SFBX系列不锈钢耐腐蚀自吸泵是不锈钢耐腐蚀离心泵，两面三刀系列泵的叶轮有的采用半开式结构形式，有的则采用闭式结构形式，另外，泵与电机的联接方式又有直联系和带轴承托架式两种
型号意义
性能参数
| 型号(三相/380伏/50赫) | 型号(单相/220伏/50赫) | 电机功率(kw) | 口径(mm) | 效率(%) | 扬程H(m) 流量Q (m3/h) | 汽蚀余量 | ||||||||||
| 进口 | 出口 | |||||||||||||||
| 25SFB-8 | 25SFB-8D | 0.25 | 25 | 20 | 43 | H | 11 | 10 | 8 | 6 | 4 | 3 | 4.5 | |||
| Q | 0.8 | 2.5 | 4 | 5.2 | 6.8 | 7.5 | ||||||||||
| 40SFB-13 | 40SFB-13D | 0.55 | 40 | 25 | 45 | H | 15 | 14 | 13 | 12 | 10 | 8 | 6 | 5 | 3.5 | |
| Q | 3.5 | 5 | 6 | 7.5 | 9.5 | 11 | 12.5 | 13 | ||||||||
| 50SFB-18 | 50SFB-18D | 1.5 | 50 | 40 | 52 | H | 22 | 21 | 20 | 18 | 16 | 14 | 12 | 10 | 3.5 | |
| Q | 3 | 5.5 | 9 | 13 | 16 | 18 | 20 | 21 | ||||||||
| 50SFB-22 | 50SFB-22D | 2.2 | 50 | 40 | 55 | H | 27 | 26 | 24 | 22 | 20 | 18 | 16 | 14 | 12 | 3.5 |
| Q | 7 | 10.5 | 16 | 19 | 22 | 23.8 | 26 | 27 | 28.5 | |||||||
| 50SFB-25 | 3 | 50 | 40 | 56 | H | 30 | 28 | 26 | 25 | 24 | 22 | 20 | 18 | 16 | 3.5 | |
| Q | 12.5 | 18.5 | 22 | 23 | 24.5 | 26 | 27.5 | 29.5 | 31 | |||||||
