

DG型中压锅炉给水泵介绍
DG型给水泵作为次高压锅炉给水或其他高压给水之用。输送介质温度不超过160℃。本型泵是单壳体节段式多级离心泵,其吸入口和吐出口均垂直向上。泵的前段、中段和后段用穿杠联接成一体,各段之间静止结合面主要靠金属面密封,并设有o型胶皮圈作为辅助密封。
从电机方向看,泵为顺时针方向旋转。
DG型中压锅炉给水泵性能范围
流量:Q = 36 ─ 180m3/h
扬程:H = 409 ─ 1056m
型号意义:
例: DG25-30×8
DG -- 中压锅炉给水泵
25 -- 标准流量(m3/h)
30 -- 单级扬程(m)
8 -- 级数
| DG型中压锅炉给水泵性能表 |
| 型号 | 流量Q | 扬程H | 转速n | 功率(KW) | 效率 | 必需汽蚀余量 | 泵重量 |
m3/h | m | r/min | 轴功率 | 电机功率 | % | m | kg |
| DG6-25×3 | 6.3 | 75 | 2950 | 2.86 | 5.5 | 45 | 2.0 | 241 |
| DG6-25×4 | 6.3 | 100 | 2950 | 3.81 | 7.5 | 45 | 2.0 | 260 |
| DG6-25×5 | 6.3 | 125 | 2950 | 4.77 | 7.5 | 45 | 2.0 | 279 |
| DG6-25×6 | 6.3 | 150 | 2950 | 5.72 | 11 | 45 | 2.0 | 298 |
| DG6-25×7 | 6.3 | 175 | 2950 | 6.67 | 11 | 45 | 2.0 | 317 |
| DG6-25×8 | 6.3 | 200 | 2950 | 7.63 | 15 | 45 | 2.0 | 336 |
| DG6-25×9 | 6.3 | 225 | 2950 | 8.58 | 15 | 45 | 2.0 | 355 |
| DG6-25×10 | 6.3 | 250 | 2950 | 9.53 | 18.5 | 45 | 2.0 | 374 |
| DG6-25×11 | 6.3 | 275 | 2950 | 10.5 | 18.5 | 45 | 2.0 | 393 |
| DG6-25×12 | 6.3 | 300 | 2950 | 11.44 | 18.5 | 45 | 2.0 | 412 |
| DG12-50×3 | 12.5 | 150 | 2950 | 10.7 | 18.5 | 48 | 2.8 | 268 |
| DG12-50×4 | 12.5 | 200 | 2950 | 14.2 | 22 | 48 | 2.8 | 289 |
| DG12-50×5 | 12.5 | 250 | 2950 | 17.8 | 30 | 48 | 2.8 | 310 |
| DG12-50×6 | 12.5 | 300 | 2950 | 21.3 | 37 | 48 | 2.8 | 331 |
| DG12-50×7 | 12.5 | 350 | 2950 | 24.8 | 37 | 48 | 2.8 | 352 |
| DG12-50×8 | 12.5 | 400 | 2950 | 28.4 | 45 | 48 | 2.8 | 373 |
| DG12-50×9 | 12.5 | 450 | 2950 | 31.9 | 55 | 48 | 2.8 | 394 |
| DG12-50×10 | 12.5 | 500 | 2950 | 35.4 | 55 | 48 | 2.8 | 415 |
| DG12-50×11 | 12.5 | 550 | 2950 | 39 | 55 | 48 | 2.8 | 436 |
| DG12-50×12 | 12.5 | 600 | 2950 | 42.5 | 75 | 48 | 2.8 | 457 |
| DG25-30×3 | 25 | 90 | 2950 | 9.88 | 15 | 62 | 2.2 | 145 |
| DG25-30×4 | 25 | 120 | 2950 | 13.1 | 18.5 | 62 | 2.2 | 163 |
| DG25-30×5 | 25 | 150 | 2950 | 16.47 | 22 | 62 | 2.2 | 181 |
| DG25-30×6 | 25 | 180 | 2950 | 19.77 | 30 | 62 | 2.2 | 204 |
| DG25-30×7 | 25 | 210 | 2950 | 23.1 | 30 | 62 | 2.2 | 222 |
| DG25-30×8 | 25 | 240 | 2950 | 26.4 | 37 | 62 | 2.2 | 240 |
| DG25-30×9 | 25 | 270 | 2950 | 29.65 | 37 | 62 | 2.2 | 258 |
| DG25-30×10 | 25 | 300 | 2950 | 32.9 | 45 | 62 | 2.2 | 276 |
| DG46-30×3 | 46 | 90 | 2950 | 16.11 | 22 | 70 | 2.4 | 150 |
| DG46-30×4 | 46 | 120 | 2950 | 21.48 | 30 | 70 | 2.4 | 165 |
| DG46-30×5 | 46 | 150 | 2950 | 26.85 | 37 | 70 | 2.4 | 180 |
| DG46-30×6 | 46 | 180 | 2950 | 32.21 | 39 | 70 | 2.4 | 195 |
| DG46-30×7 | 46 | 210 | 2950 | 37.58 | 45 | 70 | 2.4 | 210 |
| DG46-30×8 | 46 | 240 | 2950 | 42.95 | 55 | 70 | 2.4 | 230 |
| DG46-30×9 | 46 | 270 | 2950 | 48.32 | 55 | 70 | 2.4 | 240 |
| DG46-30×10 | 46 | 300 | 2950 | 53.69 | 75 | 70 | 2.4 | 255 |
| DG46-50×3 | 46 | 150 | 2950 | 29.83 | 37 | 63 | 2.8 | 270 |
| DG46-50×4 | 46 | 200 | 2950 | 39.77 | 45 | 63 | 2.8 | 295 |
| DG46-50×5 | 46 | 250 | 2950 | 49.71 | 55 | 63 | 2.8 | 320 |
| DG46-50×6 | 46 | 300 | 2950 | 59.65 | 75 | 63 | 2.8 | 345 |
| DG46-50×7 | 46 | 350 | 2950 | 69.6 | 75 | 63 | 2.8 | 370 |
| DG46-50×8 | 46 | 400 | 2950 | 79.54 | 90 | 63 | 2.8 | 395 |
| DG46-50×9 | 46 | 450 | 2950 | 89.48 | 110 | 63 | 2.8 | 420 |
| DG46-50×10 | 46 | 500 | 2950 | 99.42 | 110 | 63 | 2.8 | 445 |
| DG46-50×11 | 46 | 550 | 2950 | 109.36 | 132 | 63 | 2.8 | 470 |
| DG46-50×12 | 46 | 600 | 2950 | 119.3 | 132 | 63 | 2.8 | 495 |
| DG85-45×2 | 85 | 90 | 2950 | 28.94 | 37 | 72 | 4.2 | 187 |
| DG85-45×3 | 85 | 135 | 2950 | 43.4 | 55 | 72 | 4.2 | 211 |
| DG85-45×4 | 85 | 180 | 2950 | 57.87 | 75 | 72 | 4.2 | 236 |
| DG85-45×5 | 85 | 225 | 2950 | 72.34 | 90 | 72 | 4.2 | 263 |
| DG85-45×6 | 85 | 270 | 2950 | 86.81 | 110 | 72 | 4.2 | 287 |
| DG85-45×7 | 85 | 315 | 2950 | 101.3 | 132 | 72 | 4.2 | 312 |
| DG85-45×8 | 85 | 360 | 2950 | 115.7 | 132 | 72 | 4.2 | 337 |
| DG85-45×9 | 85 | 405 | 2950 | 130.2 | 160 | 72 | 4.2 | 361 |
| DG155-30×2 | 155 | 60 | 1480 | 33.77 | 55 | 75 | 3.9 | 550 |
| DG155-30×3 | 155 | 90 | 1480 | 50.65 | 75 | 75 | 3.9 | 575 |
| DG155-30×4 | 155 | 120 | 1480 | 67.54 | 90 | 75 | 3.9 | 660 |
| DG155-30×5 | 155 | 150 | 1480 | 84.42 | 110 | 75 | 3.9 | 750 |
| DG155-30×6 | 155 | 180 | 1480 | 101.3 | 132 | 75 | 3.9 | 840 |
| DG155-30×7 | 155 | 210 | 1480 | 118.2 | 160 | 75 | 3.9 | 930 |
| DG155-30×8 | 155 | 240 | 1480 | 135.1 | 180 | 75 | 3.9 | 1020 |
| DG155-30×9 | 155 | 270 | 1480 | 152 | 180 | 75 | 3.9 | 1110 |
| DG155-30×10 | 155 | 300 | 1480 | 168.8 | 225 | 75 | 3.9 | 1200 |