一、产品概述:
D、DG型泵系卧式、单吸多级、分段式离心泵。供输送清水或物理化学性质类似于水的其它液体之用,也可以通过改变泵过流部件材质、密封形式和增加冷却系统用于输送热水、油类、腐蚀性或含磨粒的介质。产品执行JB/T1051-93《多级清水离心泵型式与基本参数》标准。具有效率高、性能范围广、运行安全平稳、噪音低、寿命长、安装维修方便等特点。
二、适用范围:
适用于工业和城市给排水、高层建筑增压供水,园林喷灌、消防增压、远距离送水、采暖、浴室等冷暖水循环增压及设备配套等,尤其适用于小型锅炉给水。
三、型号意义:
D(DG)6 - 25×4
D –分段式给水离心泵
G –锅炉泵
6 –设计流量(m3/h)
25 –单级扬程(m)
4 –级数
四、技术参数:
流量:6.3-450m3/h;
扬程:69-684m;
功率:5.5-450Kw;
转速:2950r/min;
口径:40-150mm;
温度范围:≤130℃。
D、DG型卧式多级离心泵性能参数:
型号 | 转速 n (r/min) | 流量 Q | 扬程 H (m) | 效率 η (%) | 功率(KW) | 必需汽蚀余量 (NPSH)r (m) | | |
立方米/时 | L/S | 辅功率 Pa | 电机 功率 |
D 6-25 ×3 DG | 2950 | 3.75 | 1.04 | 76.5 | 33 | 2.37 | 5.5 | 2.0 | | |
6.3 | 1.75 | 75 | 45 | 2.36 | 2.0 |
7.5 | 2.08 | 73.5 | 47 | 3.19 | 2.5 |
D 6-25 ×4 DG | 2950 | 3.75 | 1.04 | 102 | 33 | 3.16 | 7.5 | 2.0 | | |
6.3 | 1.75 | 100 | 45 | 3.81 | 2.0 |
7.5 | 2.08 | 98 | 47 | 4.26 | 2.5 |
D 6-25 ×5 DG | 2950 | 3.75 | 1.04 | 127.5 | 33 | 3.95 | 7.5 | 2.0 | | |
6.3 | 1.75 | 125 | 45 | 4.77 | 2.0 |
7.5 | 2.08 | 122.5 | 47 | 5.32 | 2.5 |
D 6-25 ×6 DG | 2950 | 3.75 | 1.04 | 153 | 33 | 4.37 | 11 | 2.0 | | |
6.3 | 1.75 | 150 | 45 | 5.72 | 2.0 |
7.5 | 2.08 | 147 | 47 | 6.39 | 2.5 |
D 6-25 ×7 DG | 2950 | 3.75 | 1.04 | 178.5 | 33 | 5.52 | 11 | 2.0 | | |
6.3 | 1.75 | 175 | 45 | 6.67 | 2.0 |
7.5 | 2.08 | 171.5 | 47 | 7.45 | 2.5 |
D 6-25 ×8 DG | 2950 | 3.75 | 1.04 | 204 | 33 | 6.31 | 15 | 2.0 | | |
6.3 | 1.75 | 200 | 45 | 7.63 | 2.0 |
7.5 | 2.08 | 196 | 47 | 8.52 | 2.5 |
D 6-25 ×9 DG | 2950 | 3.75 | 1.04 | 229.5 | 33 | 7.10 | 15 | 2.0 | | |
6.3 | 1.75 | 225 | 45 | 8.58 | 2.0 |
7.5 | 2.08 | 220.5 | 47 | 9.58 | 2.5 |
D 6-25 ×10 DG | 2950 | 3.75 | 1.04 | 255 | 33 | 7.89 | 18.5 | 2.0 | | |
6.3 | 1.75 | 250 | 45 | 9.53 | 2.0 |
7.5 | 2.08 | 245 | 47 | 10.65 | 2.5 |
D 6-25 ×11 DG | 2950 | 3.75 | 1.04 | 280.5 | 33 | 8.68 | 18.5 | 2.0 | | |
6.3 | 1.75 | 275 | 45 | 10.5 | 2.0 |
7.5 | 2.08 | 269.5 | 47 | 11.71 | 2.5 |
D 6-25 ×12 DG | 2950 | 3.75 | 1.04 | 306 | 33 | 9.47 | 18.5 | 2.0 | | |
6.3 | 1.75 | 300 | 45 | 11.44 | 2.0 |
7.5 | 2.08 | 294 | 47 | 12.78 | 2.5 |
型号 | 转速 n (r/min) | 流量 Q | 扬程 H (m) | 效率 η (%) | 功率(KW) | 必需汽蚀余量 (NPSH)r (m) | | |
立方米/时 | L/S | 辅功率 Pa | 电机 功率 |
D 12-25 ×3 DG | 2950 | 7.5 | 2.08 | 84.6 | 44 | 3.93 | 7.5 | 2.0 | | |
12.5 | 3.47 | 75 | 54 | 4.73 | 2.0 |
15.0 | 4.17 | 69 | 53 | 5.32 | 2.5 |
D 12-25 ×4 DG | 2950 | 7.5 | 2.08 | 112.8 | 44 | 5.24 | 11 | 2.0 | | |
12.5 | 3.47 | 100 | 54 | 6.30 | 2.0 |
15.0 | 4.17 | 92 | 53 | 7.09 | 2.5 |
D 12-25 ×5 DG | 2950 | 7.5 | 2.08 | 141 | 44 | 6.55 | 11 | 2.0 | | |
12.5 | 3.47 | 125 | 54 | 7.88 | 2.0 |
15.0 | 4.17 | 115 | 53 | 8.86 | 2.5 |
D 12-25 ×6 DG | 2950 | 7.5 | 2.08 | 169.2 | 44 | 7.85 | 15 | 2.0 | | |
12.5 | 3.47 | 150 | 54 | 9.46 | 2.0 |
15.0 | 4.17 | 138 | 53 | 10.64 | 2.5 |
D 12-25 ×7 DG | 2950 | 7.5 | 2.08 | 197.4 | 44 | 9.16 | 15 | 2.0 | | |
12.5 | 3.47 | 175 | 54 | 11.0 | 2.0 |
15.0 | 4.17 | 61 | 53 | 12.41 | 2.5 |
D 12-25 ×8 DG | 2950 | 7.5 | 2.08 | 225.6 | 44 | 10.47 | 18.5 | 2.0 | | |
12.5 | 3.47 | 200 | 54 | 12.61 | 2.0 |
15.0 | 4.17 | 184 | 53 | 14.18 | 2.5 |
D 12-25 ×9 DG | 2950 | 7.5 | 2.08 | 253.8 | 44 | 15.95 | 18.5 | 2.0 | | |
12.5 | 3.47 | 225 | 54 | 13.09 | 2.0 |
15.0 | 4.17 | 207 | 53 | 15.76 | 2.5 |
D 12-25×10 DG | 2950 | 7.5 | 2.08 | 282 | 44 | 17.73 | 22 | 2.0 | | |
12.5 | 3.47 | 250 | 54 | 14.4 | 2.0 |
15.0 | 4.17 | 230 | 53 | 17.73 | 2.5 |
D 12-25×11 DG | 2950 | 7.5 | 2.08 | 310.2 | 44 | 14.4 | 22 | 2.0 | | |
12.5 | 3.47 | 275 | 54 | 17.34 | 2.0 |
15.0 | 4.17 | 253 | 53 | 19.5 | 2.5 |
D 12-25×12 DG | 2950 | 7.5 | 2.08 | 338.4 | 44 | 15.7 | 30 | 2.0 | | |
12.5 | 3.47 | 300 | 54 | 18.9 | 2.0 |
15.0 | 4.17 | 276 | 53 | 21.3 | 2.5 |
型号 | 转速 n (r/min) | 流量 Q | 扬程 H (m) | 效率 η (%) | 功率(KW) | 必需汽蚀余量 (NPSH)r (m) | | |
立方米/时 | L/S | 辅功率 Pa | 电机 功率 |
D 25-30×3 DG | 2950 | 15 | 4.17 | 102 | 50 | 8.33 | 15 | 2.2 | | |
25 | 6.94 | 90 | 62 | 9.88 | 2.2 |
30 | 8.33 | 82.5 | 63 | 10.7 | 2.6 |
D 25-30×4 DG | 2950 | 15 | 4.17 | 136 | 50 | 11.11 | 18.5 | 2.2 | | |
25 | 6.94 | 120 | 62 | 13.1 | 2.2 |
30 | 8.33 | 110 | 63 | 14.26 | 2.6 |
D 25-30×5 DG | 2950 | 15 | 4.17 | 170 | 50 | 13.89 | 22 | 2.2 | | |
25 | 6.94 | 150 | 62 | 16.47 | 2.2 |
30 | 8.33 | 137.5 | 63 | 17.83 | 2.6 |
D 25-30×6 DG | 2950 | 15 | 4.17 | 204 | 50 | 16.67 | 30 | 2.2 | | |
25 | 6.94 | 180 | 62 | 19.77 | 2.2 |
30 | 8.33 | 165 | 63 | 21.4 | 2.6 |
D 25-30×7 DG | 2950 | 15 | 4.17 | 238 | 50 | 19.44 | 30 | 2.2 | | |
25 | 6.94 | 210 | 62 | 23.1 | 2.2 |
30 | 8.33 | 192.5 | 63 | 24.96 | 2.6 |
D 25-30×8 DG | 2950 | 15 | 4.17 | 272 | 50 | 22.22 | 37 | 2.2 | | |
25 | 6.94 | 240 | 62 | 26.4 | 2.2 |
30 | 8.33 | 220 | 63 | 28.53 | 2.6 |
D 25-30×9 DG | 2950 | 15 | 4.17 | 306 | 50 | 25.0 | 37 | 2.2 | | |
25 | 6.94 | 207 | 62 | 29.65 | 2.2 |
30 | 8.33 | 247.5 | 63 | 32.1 | 2.6 |
D 25-30×10 DG | 2950 | 15 | 4.17 | 340 | 50 | 27.8 | 45 | 2.2 | | |
25 | 6.94 | 300 | 62 | 32.9 | 2.2 |
30 | 8.33 | 275 | 63 | 35.7 | 2.6 |
型号 | 转速 n (r/min) | 流量 Q | 扬程 H (m) | 效率 η (%) | 功率(KW) | 必需汽蚀余量 (NPSH)r (m) | | ) |
立方米/时 | L/S | 辅功率 Pa | 电机 功率 |
D 25-50×3 DG | 2950 | 15 | 4.16 | 154.5 | 44 | 154.5 | 30 | 2.4 | | |
25 | 6.94 | 150 | 54 | 150 | 2.7 |
28 | 7.78 | 144 | 54 | 144 | 2.8 |
D 25-50×4 DG | 2950 | 15 | 4.16 | 206 | 44 | 206 | 30 | 2.4 | | |
25 | 6.94 | 200 | 54 | 200 | 2.7 |
28 | 7.78 | 192 | 54 | 192 | 2.8 |
D 25-50×5 DG | 2950 | 15 | 4.16 | 157.5 | 44 | 257.5 | 37 | 2.4 | | |
25 | 6.94 | 250 | 54 | 250 | 2.7 |
28 | 7.78 | 240 | 54 | 240 | 2.8 |
D 25-50×6 DG | 2950 | 15 | 4.16 | 309 | 44 | 309 | 45 | 2.4 | | |
25 | 6.94 | 300 | 54 | 300 | 2.7 |
28 | 7.78 | 288 | 54 | 288 | 2.8 |
D 25-50×7 DG | 2950 | 15 | 4.16 | 360.5 | 44 | 360.5 | 55 | 2.4 | | |
25 | 6.94 | 350 | 54 | 350 | 2.7 |
28 | 7.78 | 336 | 54 | 336 | 2.8 |
D 25-50×8 DG | 2950 | 15 | 4.16 | 412 | 44 | 412 | 75 | 2.4 | | |
25 | 6.94 | 400 | 54 | 400 | 2.7 |
28 | 7.78 | 384 | 54 | 384 | 2.8 |
D 25-50×9 DG | 2950 | 15 | 4.16 | 463.5 | 44 | 463.5 | 75 | 2.4 | | |
25 | 6.94 | 450 | 54 | 450 | 2.7 |
28 | 7.78 | 432 | 54 | 432 | 2.8 |
D 25-50×10 DG | 2950 | 15 | 4.16 | 515 | 44 | 515 | 75 | 2.4 | | |
25 | 6.94 | 500 | 54 | 500 | 2.7 |
28 | 7.78 | 480 | 54 | 480 | 2.8 |
D 25-50×11 DG | 2950 | 15 | 4.16 | 566 | 44 | 566 | 90 | 2.4 | | |
25 | 6.94 | 550 | 54 | 550 | 2.7 |
28 | 7.78 | 528 | 54 | 528 | 2.8 |
D 25-50×12 DG | 2950 | 15 | 4.16 | 618 | 44 | 618 | 100 | 2.4 | | |
25 | 6.94 | 600 | 54 | 600 | 2.7 |
28 | 7.78 | 576 | 54 | 576 | 2.8 |