S、SH型单级双吸离心泵，也称中开泵，泵主要零件有：泵体、泵盖、叶轮、轴、双吸密封环、轴套等。供抽送清水或物理化学性质类似于水的其它液体之用。被输送液体温度不得高于80℃。
运行的工作原理： 叶轮安装在泵壳内，并紧固在泵轴上，泵轴由电机直接带动。泵壳中央有一液体吸入与吸入管连接。液体经底阀和吸入管进入泵内。泵壳上的液体排出口与排出管连接。 当泵的转速一定时，其压头、流量与叶轮直径有关 。
具有结构紧凑、外形美观、稳定性好、便于安装、运行平稳、噪音低、使用寿命长、维修方便的特点。
适用于工厂、矿山、城市给水、电站、农田排灌和各种水利工程。
| 型号 | 流量 (m³/h) | 扬程 (m) | 功率 (kW) | 转速 (r/min) |
| 150S-50(6SH-9) | 160 | 50 | 37 | 2900 |
| 150S-50A(6SH-9A) | 144 | 40 | 30 | 2900 |
| 150S-50B(6SH-9B) | 133 | 36 | 22 | 2900 |
| 150S-78(6SH-6) | 160 | 78 | 55 | 2900 |
| 150S-78A(6SH-6A) | 144 | 62 | 45 | 2900 |
| 200S-42(8SH-13) | 280 | 42 | 45 | 2900 |
| 200S-42A(8SH-13A) | 270 | 36 | 37 | 2900 |
| 200S-63(8SH-9) | 280 | 63 | 75 | 2900 |
| 200S-63A(8SH-9A) | 270 | 46 | 55 | 2900 |
| 200S-63B(8SH-9B) | 239 | 44 | 45 | 2900 |
| 200S-95(8SH-6) | 280 | 95 | 132 | 2900 |
| 200S-95A(8SH-6A) | 270 | 85 | 110 | 2900 |
| 200S-95B(8SH-6B) | 260 | 75 | 90 | 2900 |
| 250S-14(10SH-19) | 485 | 14 | 30 | 1450 |
| 250S-14A(10SH-19A) | 432 | 11 | 18.5 | 1450 |
| 250S-24(10SH-13) | 485 | 24 | 45 | 1450 |
| 250S-24A(10SH-13A) | 414 | 20 | 37 | 1450 |
| 250S-39(10SH-9) | 485 | 39 | 75 | 1450 |
| 250S-39A(10SH-9A) | 468 | 30 | 55 | 1450 |
| 250S-65(10SH-6) | 485 | 65 | 132 | 1450 |
| 250S-65A(10SH-6A) | 420 | 48 | 90 | 1450 |
| 300S-12(12SH-28) | 790 | 12 | 37 | 1450 |
| 300S-12A(12SH-28A) | 720 | 10 | 30 | 1450 |
| 300S-19(12SH-19) | 790 | 19 | 55 | 1450 |
| 300S-19A(12SH-19A) | 720 | 16 | 45 | 1450 |
| 300S-32(12SH-13) | 790 | 32 | 90 | 1450 |
| 300S-32A(12SH-13A) | 720 | 26 | 75 | 1450 |
| 300S-58(12SH-9) | 790 | 58 | 200 | 1450 |
| 300S-58A(12SH-9A) | 720 | 49 | 160 | 1450 |
| 300S-58B(12SH-9B) | 684 | 43 | 132 | 1450 |
| 300S-90(12SH-6) | 790 | 90 | 320 | 1450 |
| 300S-90A(12SH-6A) | 756 | 78 | 280 | 1450 |
| 300S-90B(12SH-6B) | 720 | 67 | 220 | 1450 |
| 350S-16(14SH-28) | 1260 | 16 | 75 | 1450 |
| 350S-16A(14SH-28A) | 1044 | 13 | 55 | 1450 |
| 350S-26(14SH-19) | 1260 | 26 | 132 | 1450 |
| 350S-26A(14SH-19A) | 1116 | 21 | 90 | 1450 |
| 350S-44(14SH-13) | 1260 | 44 | 220 | 1450 |
| 350S-44A(14SH-13A) | 1116 | 36 | 160 | 1450 |
| 350S-75(14SH-9) | 1260 | 75 | 355 | 1450 |
| 350S-75A(14SH-9A) | 1170 | 65 | 280 | 1450 |
| 350S-75B(14SH-9B) | 1080 | 55 | 220 | 1450 |
| 350S-125(14SH-6) | 1260 | 125 | 710 | 1450 |
| 350S-125A(14SH-6A) | 1181 | 112 | 560 | 1450 |
| 350S-125B(14SH-6B) | 1080 | 96 | 500 | 1450 |
| 400S-40 | 1080 | 40 | 185 | 970 |
| 400S-40A | 1007 | 33 | 160 | 970 |
| 400S-40B | 870 | 26 | 100 | 970 |
| 400S-90 | 1620 | 90 | 560 | 1450 |
| 400S-90A | 1460 | 73 | 450 | 1450 |
| 400S-90B | 1300 | 58 | 315 | 1450 |
| 500S-13 | 2020 | 13 | 110 | 970 |
| 500S-22 | 2020 | 22 | 185 | 970 |
| 500S-22A | 1746 | 17 | 132 | 970 |
| 500S-35 | 2020 | 35 | 280 | 970 |
| 500S-35A | 1746 | 27 | 220 | 970 |
| 500S-59 | 2020 | 59 | 450 | 970 |
| 500S-59A | 1872 | 49 | 400 | 970 |
| 500S-59B | 1746 | 35 | 280 | 970 |
| 500S-98 | 2020 | 98 | 800 | 970 |
| 500S-98A | 1872 | 83 | 630 | 970 |
| 500S-98B | 1746 | 74 | 560 | 970 |
| 600S-22 | 3170 | 22 | 250 | 970 |
| 600S-22A | 2860 | 18 | 185 | 970 |
| 600S-32 | 3170 | 32 | 355 | 970 |
| 600S-32A | 2850 | 26 | 280 | 970 |
| 600S-32B | 2628 | 22 | 250 | 970 |
| 600S-47 | 3170 | 47 | 560 | 970 |
| 600S-47A | 2920 | 40 | 450 | 970 |
| 600S-75 | 3170 | 75 | 900 | 970 |
| 600S-75A | 2950 | 65 | 710 | 970 |
| 600S-75B | 2710 | 55 | 560 | 970 |
| 600S-100 | 3170 | 100 | 1250 | 970 |
| 600S-100A | 3000 | 90 | 1120 | 970 |
| 600S-100B | 2830 | 80 | 900 | 970 |
| 800S-22 | 5500 | 22 | 450 | 730 |
| 800S-22 | 4400 | 14 | 250 | 585 |
| 800S-22A | 4830 | 17 | 315 | 730 |
| 800S-22A | 3870 | 11 | 185 | 585 |
| 800S-32 | 5500 | 32 | 630 | 730 |
| 800S-32 | 4400 | 20 | 315 | 585 |
| 800S-32A | 4950 | 26 | 450 | 730 |
| 800S-32A | 3960 | 17 | 250 | 585 |
| 800S-47 | 5500 | 47 | 1000 | 730 |
| 800S-47 | 4400 | 60 | 450 | 585 |
| 800S-47A | 5070 | 40 | 710 | 730 |
| 800S-47A | 4060 | 25 | 355 | 585 |
| 800S-76 | 5500 | 76 | 1600 | 730 |
| 800S-76 | 4400 | 49 | 800 | 585 |
| 800S-76A | 5080 | 65 | 1250 | 730 |
| 800S-76A | 4070 | 42 | 630 | 585 |
| 800S-76B | 4680 | 55 | 1000 | 730 |
| 800S-76B | 3750 | 35 | 500 | 585 |
