HYF型系列化工液下泵是立式单级单吸离心泵。用于输送不含固体颗粒和不易结晶的有腐蚀性液体（特殊定制可输送微量结晶液体）。被输送介质温度-20℃-200℃。液下泵工作部分淹没在液体内，轴封无泄漏现象。且占地面积小，使用可靠，维修方便，耐腐蚀性能强等特点。广泛适用于化工、制药、造纸、石油等工业部门。
泵型号意义说明
如： 25 HYF - 10
25 — 泵的吸入口直径，mm
HY — 耐腐蚀液下泵
F — 泵触液部分材料代号
10 — 在基本转速下泵的设计额定扬程，m
HYF型部分型号参数（生产周期为下单日起的4个工作日）
| 型号 | 流量 | 扬程 | 口径 | 电机功率 | 转速 | 吸程 | 效率 |
| 进口 | 出口 |
| 25HYF-10L | 1.5 | 10 | 25 | 20 | 1.5 |
2900 | 6 | 29 |
| 25HYF-18L | 3.6 | 18 | 25 | 20 | 2.2-3 | 6 | 27 |
| 40HYF-15L | 5 | 15 | 40 | 32 | 3 | 6 | 40 |
| 40HYF-20L | 10 | 20 | 40 | 32 | 3 | 6 | 42 |
| 40HYF-30L | 10 | 30 | 40 | 32 | 3-4 | 6 | 38 |
| 40HYF-40L | 10 | 40 | 40 | 32 | 4-5.5 | 5.5 | 35 |
| 40HYF-50L | 10 | 50 | 40 | 32 | 5.5-7.5 | 5 | 33 |
| 50HYF-20L | 15 | 20 | 50 | 40 | 3-4 | 6 | 51 |
| 50HYF-25L | 15 | 25 | 50 | 40 | 4 | 6 | 49 |
| 50HYF-30L | 15 | 30 | 50 | 40 | 4 | 6 | 44.5 |
| 50HYF-40L | 15 | 40 | 50 | 32 | 4.5-5.5 | 5.5 | 35 |
| 50HYF-50L | 15 | 50 | 50 | 32 | 5.5-7.7 | 5.5 | 33 |
| 50HYF-63L | 15 | 63 | 50 | 32 | 11 | 5.5 | 30 |
| 65HYF-32L | 29 | 32 | 65 | 50 | 5.5 | 6 | 57 |
| 65HYF-40L | 29 | 40 | 65 | 40 | 11 | 5.5 | 53 |
| 65HYF-50L | 29 | 50 | 65 | 40 | 15 | 5.5 | 46 |
| 65HYF-64L | 29 | 64 | 65 | 50 | 15-18.5 | 5.5 | 44 |
| 80HYF-20L | 50 | 20 | 80 | 65 | 5.5 | 6 | 69 |
| 80HYF-30L | 50 | 30 | 80 | 65 | 7.5 | 5.5 | 64 |
| 80HYF-34L | 50 | 34 | 80 | 65 | 11 | 5.5 | 64 |
| 80HYF-40L | 50 | 40 | 80 | 50 | 11-15 | 5.5 | 60 |
| 80HYF-50L | 50 | 50 | 80 | 50 | 15-18.5 | 6 | 53 |
| 80HYF-55L | 50 | 55 | 80 | 50 | 15-18.5 | 5.5 | 47 |
| 80HYF-80L | 50 | 80 | 80 | 50 | 30-37 | 5.5 | 36 |
| 100HYF-32L | 100 | 32 | 100 | 80 | 18.5-22 | 5.5 | 70 |
| 100HYF-40L | 100 | 40 | 100 | 80 | 18.5-22 | 5.5 | 70 |
| 100HYF-50L | 100 | 50 | 100 | 65 | 22-30 | 5.5 | 62 |
| 125HYF-32L | 125 | 32 | 125 | 80 | 22 | 5.5 | 72 |
| 125HYF-40L | 125 | 40 | 125 | 80 | 30 | 5.5 | 70.9 |
| 125HYF-50L | 125 | 50 | 125 | 100 | 37 | 5.5 | 64 |
| 150HYF-32L | 190 | 22 | 150 | 100 | 18.5 |
1450 | 6 | 77 |
| 150HYF-35L | 190 | 35 | 150 | 100 | 30 | 5 | 75 |
| 150HYF-42L | 190 | 42 | 150 | 100 | 55 | 4.5 | 70 |
| 200HYF-20L | 200 | 20 | 200 | 150 | 37 | 3 | 81 |
| 200HYF-32L | 200 | 32 | 200 | 150 | 55 | 3 | 79
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