S型單級雙吸離心泵是新型節(jié)能臥式中開泵，供輸送清水或物理化學性質類似于水的其他液體，根據(jù)用戶需求，通過改變泵結構及材質可用于輸送多泥砂水或各類腐蝕性液體，該系列泵適用于工廠、礦山、城市給排水、電站、農田排灌及各種水利工程。
S型單級雙吸離心泵結構說明：
本型泵的吸入口與吐出口均在水泵軸心線的下方，與軸線垂直成水平方向。檢修時無需拆卸進出口水管及電機。從傳動方向看去，水泵為順時針方向旋轉(根據(jù)用戶需要亦可改為逆時針方向旋轉)。
泵主要零件有：泵體、泵蓋、葉輪、軸、雙吸密封環(huán)、軸套等。
泵體與泵蓋構成葉輪的工作室。在進出水法蘭上，制有安裝真空表和壓力表的管螺孔。進出水法蘭的下部，制有放水的管螺孔。
經(jīng)過靜平衡校驗的葉輪，用軸套和兩邊的軸套螺母固定在軸上，其軸向位置可通過軸套螺母進行調整。
泵軸由兩個單列向心球軸承支承。軸承裝在軸承體內、安裝在泵體兩端，用黃油潤滑。
雙吸密封環(huán)用以減少水泵壓水室的水漏回吸水室。
泵通過彈性聯(lián)軸器由電動機直接傳動，必要時亦可用內燃機傳動。
軸封為軟填料密封(根據(jù)用戶需要可采用機械密封結構)。
S型單級雙吸離心泵性能參數(shù)：
| 型號 | 流量Q ( m3/h) | 揚程H (m) | 轉速n (r/min) | 功率(KW) | 效率η (%) | 汽蝕余量(NPSH)r(m) | |
| 軸功率 | 電機功率 | ||||||
| 100S90 | 80 | 90 | 2950 | 30.1 | 37 | 65 | 2.5 |
| 100S90A | 72 | 75 | 23 | 30 | 64 | 2.5 | |
| 150S100 | 160 | 100 | 59.8 | 75 | 73 | 3.5 | |
| 150S78 | 160 | 78 | 45 | 55 | 73.5 | 3.5 | |
| 150S78A | 144 | 62 | 33.8 | 45 | 72 | 3.5 | |
| 150S50 | 160 | 50 | 27.3 | 37 | 80 | 3.9 | |
| 150S50A | 144 | 40 | 20.9 | 30 | 75 | 3.9 | |
| 150S50B | 133 | 36 | 18.6 | 22 | 70 | 3.9 | |
| 200S95 | 280 | 95 | 91.7 | 110 | 79.2 | 5.3 | |
| 200S95A | 270 | 75 | 73.5 | 90 | 75 | 5.3 | |
| 200S63 | 280 | 63 | 58.3 | 75 | 82.7 | 5.8 | |
| 200S63A | 270 | 46 | 45.1 | 55 | 75 | 5.8 | |
| 200S42 | 280 | 42 | 38.1 | 45 | 84.2 | 6 | |
| 200S42A | 270 | 36 | 33.1 | 37 | 80 | 6 | |
| 250S65 | 485 | 65 | 1450 | 109 | 132 | 78.6 | 3 |
| 250S65A | 468 | 54 | 89.4 | 110 | 77 | 3 | |
| 250S39 | 485 | 39 | 61.5 | 75 | 83.6 | 3.2 | |
| 250S39A | 468 | 30.5 | 49.3 | 55 | 79 | 3.2 | |
| 250S24 | 485 | 24 | 36.9 | 45 | 85.8 | 3.5 | |
| 250S24A | 414 | 20.3 | 27.6 | 37 | 83 | 3.5 | |
| 250S14 | 485 | 14 | 21.5 | 30 | 85.8 | 3.8 | |
| 250S14A | 432 | 11 | 15.8 | 18.5 | 82 | 3.8 | |
| 300S110 | 790 | 110 | 295.7 | 440 | 80 | 4 | |
| 300S90 | 790 | 90 | 242.8 | 315 | 79.6 | 4 | |
| 300S90A | 756 | 78 | 217 | 280 | 74 | 4 | |
| 300S90B | 720 | 67 | 180 | 220 | 73 | 4 | |
| 300S58 | 790 | 58 | 149.9 | 180 | 84.2 | 4.4 | |
| 300S58A | 720 | 49 | 118.6 | 160 | 81 | 4.4 | |
| 300S58B | 684 | 43 | 100 | 132 | 80 | 4.4 | |
| 300S32 | 790 | 32 | 79.2 | 110 | 86.8 | 4.6 | |
| 300S32A | 720 | 26 | 60.7 | 75 | 84 | 4.6 | |
| 300S19 | 790 | 19 | 47 | 55 | 86.8 | 5.2 | |
| 300S19A | 720 | 16 | 39.2 | 45 | 80 | 5.2 | |
| 300S12 | 790 | 12 | 30.4 | 37 | 84.8 | 5.5 | |
| 300S12A | 684 | 10 | 3.9 | 30 | 78 | 5.5 | |
| 350S125 | 1260 | 125 | 534 | 710 | 80.5 | 5.4 | |
| 350S125A | 1181 | 112 | 462 | 630 | 78 | 5.4 | |
| 350S125B | 1098 | 96 | 373 | 500 | 77 | 5.4 | |
| 350S75 | 1260 | 75 | 303 | 355 | 85.2 | 5.8 | |
| 350S75A | 1170 | 65 | 247 | 280 | 84 | 5.8 | |
| 350S75B | 1080 | 55 | 197 | 220 | 82 | 5.8 | |
| 350S44 | 1260 | 44 | 173 | 220 | 87.5 | 6.3 | |
| 350S44A | 1116 | 36 | 131 | 160 | 84 | 6.3 | |
| 350S26 | 1260 | 26 | 102 | 132 | 87.5 | 6.7 | |
| 350S26A | 1116 | 21.5 | 78.8 | 90 | 83 | 6.7 | |
| 350S16 | 1260 | 16 | 64.5 | 75 | 85.3 | 7.1 | |
| 350S16A | 1044 | 13.4 | 48.8 | 55 | 48 | 7.1 | |
| 500S98 | 2020 | 95 | 970 | 678 | 800 | 79.5 | 4 |
| 500S98A | 1872 | 83 | 540 | 630 | 78.5 | 4 | |
| 500S98B | 1746 | 74 | 452 | 560 | 78 | 4 | |
| 500S59 | 2020 | 59 | 391 | 450 | 83 | 4.5 | |
| 500S59A | 1872 | 49 | 333 | 400 | 75 | 4.5 | |
| 500S59B | 1746 | 40 | 257 | 315 | 74 | 4.5 | |
| 500S35 | 2020 | 35 | 219 | 280 | 88 | 4.8 | |
| 500S35A | 1746 | 27 | 151 | 220 | 85 | 4.8 | |
| 500S22 | 2020 | 22 | 144.1 | 185 | 84 | 5.2 | |
| 500S22A | 1746 | 17 | 101 | 132 | 80 | 5.2 | |
| 500S13 | 2020 | 13 | 86.2 | 110 | 83 | 5.7 | |
| 600S75 | 3170 | 75 | 727 | 800 | 89 | 7.5 | |
| 600S75A | 2880 | 65 | 580 | 630 | 88 | 7.5 | |
| 600S47 | 3170 | 47 | 465 | 560 | 88 | 7.5 | |
| 600S32 | 3170 | 32 | 310 | 400 | 89 | 7.5 | |
| 600S32A | 2880 | 27 | 238 | 280 | 89 | 7.5 | |
| 600S22 | 3170 | 22 | 223 | 280 | 85 | 7.5 | |
| 600S22A | 2880 | 18.2 | 168.5 | 200 | 84.5 | 7.5 | |
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