Overview
The D and DG pumps are horizontal multistage centrifugal pumps. It is suitable for conveying clean water (containing less than 1% of impurities, not more than 0.1 mm) and other liquids with physicochemical properties similar to clean water.
D type pump transport medium temperature is not more than 80 ° C, it is suitable for mines and factories, urban water supply and other occasions.
DG type pump conveying medium temperature is not more than 105 °C, suitable for small boiler feed water or conveying similar to hot water.
Performance range
Flow rate: 6.3-540 m3/hour
Head: 50-650 meters
Model Description

| Pump model | ????????????Speed ????????????(r/min) |
????????????Traffic | ????????????Heaven ????????????(m) |
????????????Efficiency ????????????(%) |
????????????Power (KW) | ????????????Required ????????????NPSH ????????????(m) |
????????||
| m3/h | ????????????L/S | ????????????axis power | ????????????Motor Power | ????????|||||
| D ???????????? DG 6-25×3 |
????????????2950 | ????????????3.75 | ????????????1.04 | ????????????76.5 | ????????????33 | ????????????2.37 | ????????????5.5 | ????????????2.0 | ????????
| 6.3 | ????????????1.75 | ????????????75 | ????????????45 | ????????????2.86 | ????????????2.0 | ????????|||
| 7.5 | ????????????2.08 | ????????????73.5 | ????????????47 | ????????????3.19 | ????????????2.5 | ????????|||
| D DG 6-25×4 |
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 DG 6-25×5 |
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 DG 6-25×6 |
2950 | 3.75 | 1.04 | 153 | 33 | 4.73 | 11 | 2.0 |
| 6.3 | 1.75 | 150 | 45 | 5.72 | 2.0 | |||
| 7.5 | 2.08 | 147 | 47 | 6.39 | 2.5 | |||
| D DG 6-25×7 |
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 DG 6-25×8 |
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 | 8.58 | 2.5 | |||
| D DG 6-25×9 |
2950 | 3.75 | 1.04 | 229.5 | 33 | 7.10 | 15 | 2.0 |
| 6.3 | 1.75 | 225 | 45 | 8.52 | 2.0 | |||
| 7.5 | 2.08 | 220.5 | 47 | 9058 | 2.5 | |||
| D DG 6-25×10 |
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 | 10.63 | 2.5 | |||
| D DG 6-25×11 |
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 DG 6-25×12 |
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 | |||
| D DG 12-25×3 |
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 | 5.37 | 2.5 | |||
| D DG 12-25×4 |
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 DG 12-25×5 |
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 DG 12-25×6 |
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 DG 12-25×7 |
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 | 161 | 53 | 12.41 | 2.5 | |||
| D DG 12-25×8 |
2950 | 7.5 | 2.08 | 225.6 | 44 | 10.47 | 18.5 | 2.0 |
| 12.5 | 3.47 | 200 | 54 | 12.51 | 2.0 | |||
| 15.0 | 4.17 | 184 | 53 | 14.18 | 2.5 | |||
| D DG 12-25×9 |
2950 | 7.5 | 2.08 | 253.8 | 44 | 11.78 | 18.5 | 2.0 |
| 12.5 | 3.47 | 225 | 54 | 14.18 | 2.0 | |||
| 15.0 | 4.17 | 207 | 53 | 15.95 | 2.5 | |||
| D DG 12-25×10 |
2950 | 7.5 | 2.08 | 282 | 44 | 13.09 | 22 | 2.0 |
| 12.5 | 3.47 | 250 | 54 | 15.76 | 2.0 | |||
| 15.0 | 4.17 | 230 | 53 | 17.73 | 2.5 | |||
| D DG 12-25×11 |
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 DG 12-25×12 |
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 | 27.3 | 2.5 | |||
| D DG 25-30×3 |
2950 | 15 | 4.17 | 102 | 50 | 8.33 | 15 | 2.2 |
| 25 | 6.94 | 90 | 62 | 9.88 | 2.2 | |||
| 30 | 8.33 | 82.6 | 63 | 10.7 | 2.6 | |||
| D DG 25-30×4 |
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 DG 25-30×5 |
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 DG 25-30×6 |
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 DG 25-30×7 |
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 | 24.90 | 2.6 | |||
| D DG 25-30×8 |
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 DG 25-30×9 |
2950 | 15 | 4.17 | 306 | 50 | 25.0 | 37 | 2.2 |
| 25 | 6.94 | 270 | 62 | 29.65 | 2.2 | |||
| 30 | 8.33 | 247.5 | 63 | 32.1 | 2.6 | |||
| D DG 25-30×10 |
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 | |||
| D DG 46-30×3 |
2950 | 30 | 8.33 | 102 | 64 | 13.02 | 22 | 2.4 |
| 46 | 12.5 | 90 | 70 | 16.11 | 3.0 | |||
| 55 | 15.3 | 81 | 68 | 17.84 | 4.6 | |||
| D DG 46-30×4 |
2950 | 30 | 8.33 | 136 | 64 | 17.36 | 30 | 2.4 |
| 46 | 12.8 | 120 | 70 | 21.48 | 3.0 | |||
| 55 | 15.3 | 108 | 68 | 23.79 | 4.6 | |||
| D DG 46-30×5 |
2950 | 30 | 8.33 | 170 | 64 | 21.7 | 37 | 2.4 |
| 46 | 12.8 | 150 | 70 | 26.85 | 3.0 | |||
| 55 | 15.3 | 135 | 68 | 29.74 | 4.6 | |||
| D DG 46-30×6 |
2950 | 30 | 8.33 | 204 | 64 | 26.04 | 37 | 2.4 |
| 46 | 12.8 | 180 | 70 | 32.21 | 3.0 | |||
| 55 | 15.3 | 162 | 68 | 35.68 | 4.6 | |||
| D DG 46-30×7 |
2950 | 30 | 8.33 | 238 | 64 | 30.38 | 45 | 2.4 |
| 46 | 12.8 | 210 | 70 | 37.58 | 3.0 | |||
| 55 | 15.3 | 189 | 68 | 41.63 | 4.6 | |||
| D DG 46-30×8 |
2950 | 30 | 8.33 | 274 | 64 | 34.72 | 55 | 2.4 |
| 46 | 12.8 | 240 | 70 | 42.95 | 3.0 | |||
| 55 | 15.3 | 216 | 68 | 47.58 | 4.6 | |||
| D DG 46-30×9 |
2950 | 30 | 8.33 | 306 | 64 | 39.06 | 55 | 2.4 |
| 46 | 12.8 | 270 | 70 | 48.32 | 3.0 | |||
| 55 | 15.3 | 243 | 68 | 53.53 | 4.6 | |||
| D DG 46-30×10 |
2950 | 30 | 8.33 | 340 | 64 | 43.4 | 75 | 2.4 |
| 46 | 12.8 | 300 | 70 | 53.69 | 3.0 | |||
| 55 | 15.3 | 270 | 344 | 59.47 | 4.6 | |||
| D DG 46-50×3 |
2950 | 30 | 8.33 | 166.5 | 54 | 25.19 | 37 | 2.5 |
| 46 | 12.8 | 150 | 63 | 29.83 | 2.8 | |||
| 55 | 15.3 | 138 | 64 | 32.3 | 3.2 | |||
| D DG 46-50×4 |
2950 | 30 | 8.33 | 222 | 54 | 33.59 | 45 | 2.5 |
| 46 | 12.8 | 200 | 63 | 39.77 | 2.8 | |||
| 55 | 15.3 | 184 | 64 | 43.06 | 3.2 | |||
| D DG 46-50×5 |
2950 | 30 | 8.33 | 277.5 | 54 | 41.98 | 55 | 2.5 |
| 46 | 12.8 | 250 | 63 | 49.71 | 2.8 | |||
| 55 | 15.3 | 230 | 64 | 53.83 | 3.2 | |||
| D DG 46-50×6 |
2950 | 30 | 8.33 | 333 | 54 | 50.38 | 75 | 2.5 |
| 46 | 12.8 | 300 | 63 | 59.65 | 2.8 | |||
| 55 | 15.3 | 276 | 64 | 64.59 | 3.2 | |||
| D DG 46-50×7 |
2950 | 30 | 8.33 | 388.5 | 54 | 58.78 | 75 | 2.5 |
| 46 | 12.8 | 250 | 63 | 69.6 | 2.8 | |||
| 55 | 15.3 | 322 | 64 | 72.36 | 90 | 3.2 | ||
| D DG 46-50×8 |
2950 | 30 | 8.33 | 440 | 54 | 67.18 | 90 | 2.5 |
| 46 | 12.8 | 400 | 63 | 79.54 | 2.8 | |||
| 55 | 15.3 | 368 | 64 | 86.12 | 3.2 | |||
| D DG 46-50×9 |
2950 | 30 | 8.33 | 499.5 | 54 | 75.57 | 110 | 2.5 |
| 46 | 12.8 | 450 | 63 | 89.48 | 2.8 | |||
| 55 | 15.3 | 414 | 64 | 96.89 | 3.2 | |||
| D DG 46-50×10 |
2950 | 30 | 8.33 | 555 | 54 | 83.97 | 110 | 2.5 |
| 46 | 12.8 | 500 | 63 | 99.42 | 2.8 | |||
| 55 | 15.3 | 460 | 64 | 107.66 | 3.2 | |||
| D DG 46-50×11 |
2950 | 30 | 8.33 | 610.5 | 54 | 92.37 | 132 | 2.5 |
| 46 | 12.8 | 550 | 63 | 109.36 | 2.8 | |||
| 55 | 15.3 | 506 | 64 | 118.42 | 3.2 | |||
| D DG 46-50×12 |
2950 | 30 | 8.33 | 666 | 54 | 100.8 | 132 | 2.5 |
| 46 | 12.8 | 600 | 63 | 119.8 | 2.8 | |||
| 55 | 15.3 | 552 | 64 | 129.2 | 3.2 | |||
| D DG 85-45×2 |
2950 | 55 | 15.3 | 102 | 63 | 24.25 | 37 | 3.2 |
| 85 | 23.6 | 90 | 72 | 28.94 | 4.2 | |||
| 100 | 27.8 | 78 | 70 | 30.35 | 5.2 | |||
| D DG 85-45×3 |
2950 | 55 | 15.3 | 153 | 63 | 36.38 | 55 | 3.2 |
| 85 | 23.6 | 135 | 72 | 43.3 | 4.2 | |||
| 100 | 27.8 | 117 | 70 | 45.52 | 5.2 | |||
| D DG 85-45×4 |
2950 | 55 | 15.3 | 204 | 63 | 48.5 | 75 | 3.2 |
| 85 | 23.6 | 180 | 72 | 57.87 | 4.2 | |||
| 100 | 27.8 | 156 | 70 | 60.7 | 5.2 | |||
| D DG 85-45×5 |
2950 | 55 | 15.3 | 255 | 63 | 60.63 | 90 | 3.2 |
| 85 | 23.6 | 225 | 72 | 72.34 | 4.2 | |||
| 100 | 27.8 | 195 | 70 | 75.86 | 5.2 | |||
| D DG 85-45×6 |
2950 | 55 | 15.3 | 306 | 63 | 72.75 | 110 | 3.2 |
| 85 | 23.6 | 270 | 72 | 86.81 | 4.2 | |||
| 100 | 27.8 | 234 | 70 | 91.04 | 5.2 | |||
| D DG 85-45×7 |
2950 | 55 | 15.3 | 357 | 63 | 84.88 | 132 | 3.2 |
| 85 | 23.6 | 315 | 72 | 101.3 | 4.2 | |||
| 100 | 27.8 | 273 | 70 | 106.2 | 5.2 | |||
| D DG 85-45×8 |
2950 | 55 | 15.3 | 408 | 63 | 97.0 | 132 | 3.2 |
| 85 | 23.6 | 360 | 72 | 115.7 | 4.2 | |||
| 100 | 27.8 | 312 | 70 | 121.4 | 5.2 | |||
| D DG 85-45×9 |
2950 | 55 | 15.3 | 459 | 63 | 109.1 | 160 | 3.2 |
| 85 | 23.6 | 405 | 72 | 130.2 | 4.2 | |||
| 100 | 27.8 | 351 | 70 | 136.6 | 5.2 | |||
| D DG 155-30×2 |
1480 | 100 | 27.8 | 65 | 64 | 27.66 | 55 | 3.2 |
| 155 | 43 | 60 | 75 | 33.77 | 3.9 | |||
| 185 | 51.4 | 55 | 75 | 36.95 | 4.8 | |||
| D DG 155-30×3 |
1480 | 100 | 27.8 | 97.5 | 64 | 41.2 | 75 | 3.2 |
| 155 | 43 | 90 | 75 | 50.65 | 3.9 | |||
| 185 | 51.4 | 82.5 | 75 | 55.4 | 4.8 | |||
| D DG 155-30×4 |
1480 | 100 | 27.8 | 130 | 64 | 55.32 | 90 | 3.2 |
| 155 | 43 | 120 | 75 | 67.54 | 3.9 | |||
| 185 | 51.4 | 110 | 75 | 73.9 | 4.8 | |||
| D DG 155-30×5 |
1480 | 100 | 27.8 | 162.5 | 64 | 69.15 | 110 | 3.2 |
| 155 | 43 | 150 | 75 | 84.42 | 3.9 | |||
| 185 | 51.4 | 137.5 | 75 | 92.37 | 4.8 | |||
| D DG 155-30×6 |
1480 | 100 | 27.8 | 195 | 64 | 82.98 | 132 | 3.2 |
| 155 | 43 | 180 | 75 | 101.3 | 3.9 | |||
| 185 | 51.4 | 165 | 75 | 110.8 | 4.8 | |||
| D DG 155-30×7 |
1480 | 100 | 27.8 | 227.5 | 64 | 96.81 | 160 | 3.2 |
| 155 | 43 | 210 | 75 | 118.2 | 3.9 | |||
| 185 | 51.4 | 192.5 | 75 | 29.3 | 4.8 | |||
| D DG 155-30×8 |
1480 | 100 | 27.8 | 260 | 64 | 110.6 | 180 | 3.2 |
| 155 | 43 | 240 | 75 | 135.1 | 3.9 | |||
| 185 | 51.4 | 220 | 75 | 147.8 | 4.8 | |||
| D DG 155-30×9 |
1480 | 100 | 27.8 | 292.5 | 64 | 124.5 | 180 | 3.2 |
| 155 | 43 | 270 | 75 | 152 | 3.9 | |||
| 185 | 51.4 | 247.5 | 75 | 166.3 | 4.8 | |||
| D DG 155-30×10 |
1480 | 100 | 27.8 | 325 | 64 | 138.3 | 225 | 3.2 |
| 155 | 43 | 300 | 75 | 168.8 | 3.9 | |||
| 185 | 51.4 | 725 | 75 | 184.7 | 4.8 | |||
| D DG 155-67×3 |
2950 | 100 | 27.8 | 228 | 64 | 97.0 | 132 | 3.2 |
| 155 | 43 | 200 | 74 | 114.7 | 5.0 | |||
| 185 | 51.4 | 177 | 72 | 123.9 | 6.6 | |||
| D DG 155-67×4 |
2950 | 100 | 27.8 | 304 | 64 | 129.4 | 185 | 3.2 |
| 155 | 43 | 268 | 74 | 152.9 | 5.0 | |||
| 185 | 51.4 | 236 | 72 | 165.1 | 6.6 | |||
| D DG 155-67×5 |
2950 | 100 | 27.8 | 380 | 64 | 161.7 | 220 | 3.2 |
| 155 | 43 | 335 | 74 | 191.1 | 5.0 | |||
| 185 | 51.4 | 295 | 72 | 206.4 | 6.6 | |||
| D DG 155-67×6 |
2950 | 100 | 27.8 | 456 | 64 | 194 | 275 | 3.2 |
| 155 | 43 | 402 | 74 | 229.3 | 5.0 | |||
| 185 | 51.4 | 354 | 72 | 247.7 | 6.6 | |||
| D DG 155-67×7 |
2950 | 100 | 27.8 | 532 | 64 | 226.4 | 350 | 3.2 |
| 155 | 43 | 469 | 74 | 267.5 | 5.0 | |||
| 185 | 51.4 | 413 | 72 | 289 | 6.6 | |||
| D DG 155-67×8 |
2950 | 100 | 27.8 | 608 | 64 | 258.7 | 350 | 3.2 |
| 155 | 43 | 536 | 74 | 305.7 | 5.0 | |||
| 185 | 51.4 | 472 | 72 | 330.3 | 6.6 | |||
| D DG 155-67×9 |
2950 | 100 | 27.8 | 684 | 64 | 291.1 | 440 | 3.2 |
| 155 | 43 | 603 | 74 | 344 | 5.0 | |||
| 185 | 51.4 | 531 | 72 | 371.9 | 6.6 | |||
| D DG 280-43×2 |
1480 | 185 | 51.4 | 94 | 69 | 68.6 | 110 | 3.0 |
| 280 | 77.8 | 86 | 77 | 85.17 | 4.7 | |||
| 335 | 93.1 | 76 | 75 | 92.4 | 6.0 | |||
| D DG 280-43×3 |
1480 | 185 | 51.4 | 141 | 69 | 103 | 150 | 3.0 |
| 280 | 77.8 | 129 | 77 | 127.7 | 4.7 | |||
| 335 | 93.1 | 114 | 75 | 138.7 | 6.0 | |||
| D DG 280-43×4 |
1480 | 185 | 51.4 | 188 | 69 | 137.3 | 230 | 3.0 |
| 280 | 77.8 | 172 | 77 | 170.3 | 4.7 | |||
| 335 | 93.1 | 152 | 75 | 184.9 | 6.0 | |||
| D DG 280-43×5 |
1480 | 185 | 51.4 | 235 | 69 | 171.6 | 300 | 3.0 |
| 280 | 77.8 | 215 | 77 | 212.9 | 4.7 | |||
| 335 | 93.1 | 190 | 75 | 231.1 | 6.0 | |||
| D DG 280-43×6 |
1480 | 185 | 51.4 | 282 | 69 | 205.9 | 300 | 3.0 |
| 280 | 77.8 | 258 | 77 | 255.5 | 4.7 | |||
| 335 | 93.1 | 228 | 75 | 277.3 | 6.0 | |||
| D DG 280-43×7 |
1480 | 185 | 51.4 | 329 | 69 | 240.2 | 350 | 3.0 |
| 280 | 77.8 | 304 | 77 | 298.1 | 4.7 | |||
| 335 | 93.1 | 226 | 75 | 323.6 | 6.0 | |||
| D DG 280-43×8 |
1480 | 185 | 51.4 | 376 | 69 | 274.5 | 410 | 3.0 |
| 280 | 77.8 | 344 | 77 | 304.7 | 4.7 | |||
| 335 | 93.1 | 304 | 75 | 369.8 | 6.0 | |||
| D DG 280-43×9 |
1480 | 185 | 51.4 | 423 | 69 | 308.9 | 430 | 3.0 |
| 280 | 77.8 | 387 | 77 | 383.2 | 4.7 | |||
| 335 | 93.1 | 3742 | 75 | 416 | 6.0 | |||
| D DG 280-65×6 |
1480 | 185 | 51.4 | 408 | 61 | 337 | 500 | 2.8 |
| 280 | 77.8 | 390 | 73 | 407.4 | 3.7 | |||
| 335 | 93.1 | 372 | 75 | 452.5 | 5.0 | |||
| D DG 280-65×7 |
1480 | 185 | 51.4 | 476 | 61 | 393.1 | 680 | 2.8 |
| 280 | 77.8 | 455 | 73 | 475.3 | 3.7 | |||
| 335 | 93.1 | 434 | 75 | 528 | 5.0 | |||
| D DG 280-65×8 |
1480 | 185 | 51.4 | 544 | 61 | 449.3 | 680 | 2.8 |
| 280 | 77.8 | 520 | 73 | 543.2 | 3.7 | |||
| 335 | 93.1 | 496 | 75 | 603.3 | 5.0 | |||
| D DG 280-65×9 |
1480 | 185 | 51.4 | 612 | 61 | 505.5 | 850 | 2.8 |
| 280 | 77.8 | 585 | 73 | 611.1 | 3.7 | |||
| 335 | 93.1 | 558 | 75 | 678.8 | 5.0 | |||
| D DG 280-65×10 |
1480 | 185 | 51.4 | 680 | 61 | 561.8 | 850 | 2.8 |
| 280 | 77.8 | 650 | 73 | 579 | 3.7 | |||
| 335 | 93.1 | 620 | 75 | 754.2 | 5.0 | |||
| D DG 450-60×3 |
1480 | 335 | 93.1 | 195 | 72 | 247.1 | 360 | 3.8 |
| 450 | 125 | 180 | 76 | 289.2 | 4.9 | |||
| 500 | 139 | 171 | 78 | 298.5 | 6.0 | |||
| D DG 450-60×4 |
1480 | 335 | 93.1 | 260 | 72 | 329.4 | 500 | 3.8 |
| 450 | 125 | 240 | 76 | 372.3 | 4.9 | |||
| 500 | 139 | 228 | 78 | 398 | 6.0 | |||
| D DG 450-60×5 |
1480 | 335 | 93.1 | 320 | 72 | 411.8 | 680 | 3.8 |
| 450 | 125 | 300 | 76 | 465.4 | 4.9 | |||
| 500 | 139 | 285 | 78 | 497.5 | 6.0 | |||
| D DG 450-60×6 |
1480 | 335 | 93.1 | 390 | 72 | 494.2 | 680 | 3.8 |
| 450 | 125 | 360 | 76 | 558.5 | 4.9 | |||
| 500 | 139 | 242 | 78 | 597 | 6.0 | |||
| D DG 450-60×7 |
1480 | 335 | 93.1 | 455 | 72 | 576.5 | 850 | 3.8 |
| 450 | 125 | 420 | 76 | 651.5 | 4.9 | |||
| 500 | 139 | 399 | 78 | 696.5 | 6.0 | |||
| D DG 450-60×8 |
1480 | 335 | 93.1 | 520 | 72 | 658.9 | 850 | 3.8 |
| 450 | 125 | 480 | 76 | 744.6 | 4.9 | |||
| 500 | 139 | 456 | 78 | 796 | 6.0 | |||
| D DG 450-60×9 |
1480 | 335 | 93.1 | 585 | 72 | 741.2 | 1050 | 3.8 |
| 450 | 125 | 540 | 76 | 837.7 | 4.9 | |||
| 500 | 139 | 513 | 78 | 823.6 | 6.0 | |||
| D DG 450-60×10 |
1480 | 335 | 93.1 | 650 | 72 | 930.8 | 1050 | 3.8 |
| 450 | 125 | 600 | 76 | 995.1 | 4.9 | |||
| 500 | 139 | 570 | 78 | 6.0 | ||||
Corrosion resistance of the main material of the pump (for reference)
| Media | ????????????concentration ????????????(%) |
????????????Polypropylene | ????????????concentration ????????????(%) |
????????????A B C | ????????||
| 25°C | ????????????50°C | ????????????20°C | ????????????60°C | ????????|||
| Sulfuric acid | ????????????60 | ????????????√ | ???????????????????????? | <30 | ????????????√ | ????????????Χ | ????????
| Nitrate | ????????????25 | ????????????√ | ???????????????????????? | 20 | ????????????√ | ????????????Ο | ????????
| Hydrochloric acid | ????????????<36 | ????????????√ | ???????????????????????? | <38 | ????????????√ | ????????????√ | ????????
| Hydroxyfluoric acid | ????????????35 | ????????????√ | ???????????????????????? | 40 | ????????????√ | ????????????Χ | ????????
| Acetate | ????????????<80 | ????????????√ | ???????????????????????? | <20 | ????????????√ | ????????????Ο | ????????
| Sodium hydroxide | ????????????100 | ????????????√ | ???????????????????????? | ???????????? | √ | ????????????√ | ????????
| potassium dichromate | ????????????25 | ????????????√ | ???????????????????????? | ???????????? | √ | ????????????√ | ????????
| Stinky water | ???????????????????????? | Χ | ???????????????????????? | ???????????? | Ο | ????????????Χ | ????????
| Ethanol | ???????????????????????? | √ | ???????????????????????? | <50 | ????????????√ | ????????????√ | ????????
| Acetone | ???????????????????????? | √ | ???????????????????????? | 10 | ????????????Ο | ???????????????????? |
| Tetrachloroethane | ???????????????????????? | Ο | ???????????????????????? | ???????????? | Ο | ????????????Χ | ????????
| Freon 22 | ???????????????????????? | √ | ???????????????????????? | ???????????? | Ο | ????????????Ο | ????????
| bleaching solution | ????????????CL13% | ????????????√ | ???????????????????????? | CL12.5% | ????????????Ο | ????????????Ο | ????????
| Plating solution | √ | Ο | Χ | |||
| Photographic fluid | √ | √ | √ | |||
| Media | ????????????concentration ????????????(%) |
????????????Stainless steel | ????????????concentration ????????????(%) |
????????????Ceramic | ????????||
| 25°C | ????????????50°C | ????????????25°C | ????????????50°C | ????????|||
| Sulfuric acid | ????????????<5 | ????????????√ | ????????????Χ | ???????????????????????? | △ | ????????????△ | ????????
| Nitrate | ????????????70 | ????????????△ | ????????????√ | ???????????????????????? | △ | ????????????△ | ????????
| Hydrochloric acid | ???????????????????????? | Χ | ???????????????????????? | ???????????? | △ | ????????????△ | ????????
| Hydroxyfluoric acid | ???????????????????????? | Χ | ???????????????????????? | 0~100 | ????????????Χ | ???????????????????? |
| Acetate | ????????????<20 | ????????????√ | ????????????√ | ???????????????????????? | △ | ????????????△ | ????????
| Sodium hydroxide | ????????????70 | ????????????√ | ????????????√ | ???????????????????????? | Ο | ????????????Χ | ????????
| potassium dichromate | ????????????40~60 | ????????????△ | ????????????△ | ????????????10~20 | ????????????△ | ????????????△ | ????????
| Stinky water | ???????????????????????? | Ο | ???????????????????????? | ???????????? | △ | ????????????△ | ????????
| Ethanol | ???????????????????????? | △ | ????????????√ | ???????????????????????? | △ | ????????????△ | ????????
| Acetone | ???????????????????????? | △ | ????????????△ | ???????????????????????? | △ | ???????????????????? |
| Tetrachloroethane | ????????????50 | ????????????△ | ????????????△ | ???????????????????????? | △ | ????????????△ | ????????
| Freon 22 | ???????????????????????? | △ | ???????????????????????? | ???????????? | △ | ????????????△ | ????????
| bleaching solution | ????????????CL12% | ????????????Χ | ???????????????????????? | ???????????? | △ | ????????????△ | ????????
| plating solution | ???????????????????????? | ???????????? | ???????????? | ???????????? | △ | ????????????△ | ????????
| Photographic fluid | ???????????????????????? | △ | ???????????????????????? | ???????????? | △ | ????????????△ | ????????
Note: △ is excellent; √ is good; Ο is available, but has obvious corrosion; Χ severe corrosion, not applicable.
Physical and mechanical properties of PVDF
| Performance | ????????????unit | ????????????Press | ????????
| density | ????????????g/cm3 | ????????????1.75-1.79 | ????????
| 比度 | ????????????cm3/g | ????????????0.56-0.75 | ????????
| melting point range | ????????????0c | ????????????155-170 | ????????
| refractive index | ????????????n25D | ????????????1.42 | ????????
| Molding shrinkage rate | ????????????% | ????????????2-3 | ????????
| Stretching strong hair (yield) | ????????????Mpa | ????????????28-41 | ????????
| Stretching strong hair (breaking) | ????????????Mpa | ????????????31-52 | ????????
| Elongation (fracture) | ????????????% | ????????????100-400 | ????????
| Impact strength (no gap) | ????????????KJ/m | ????????????107-214 | ????????
| compressive strength | ????????????Mpa | ????????????55-69 | ????????
| hardness (Shore D) | ???????????????????????? | 70-80 | ????????
| Abrasion | ????????????mg/1000r | ????????????7.0-9.0 | ????????
| Limited Oxygen Index (l0 I) | ????????????% | ????????????44 | ????????
| burning rate | ???????????????????????? | V-D | ????????
| resistivity | ????????????u194 | ????????????1.0x10 15 | ????????
| Dielectric number | ????????????10 31 CYCles | ????????????9.7 | ????????
Polyvinylidene fluoride (PVDF) chemical resistance
| Chemical Medium | ????????????concentration ????????????(%) |
????????????Maximum operating temperature °C | ????????????Chemical Medium | ????????????concentration ????????????(%) |
????????????Maximum operating temperature °C | ????????????Chemical Medium | ????????????concentration ????????????(%) |
????????????Maximum operating temperature °C | ????????
| hydrochloric acid | ????????????36 | ????????????135 | ????????????Hydrogen Hydroxide | ????????????<10 | ????????????85 | ????????????ethanol | ???????????????????????? | 135 | ????????
| sulfuric acid | ????????????<60 | ????????????120 | ????????????Hydrogen Hydroxide | ????????????50 | ????????????50 | ????????????etherether | ???????????????????????? | 50 | ????????
| sulfuric acid | ????????????80-93 | ????????????95 | ????????????Carbon ammonium oxide | ???????????????????????? | 110 | ????????????Formaldehyde | ????????????37 | ????????????50 | ????????
| sulfuric acid | ????????????90 | ????????????65 | ????????????Carbon calcium oxide | ???????????????????????? | 135 | ????????????Acetone | ????????????10% aqueous solution | ????????????50 | ????????
| Nitrate | ????????????<50 | ????????????50 | ????????????carbonate | ????????????aqueous solution | ????????????135 | ????????????肼 | ????????????aqueous solution | ????????????95 | ????????
| phosphoric acid | ????????????<85 | ????????????135 | ????????????Sodium bicarbonate | ????????????aqueous solution | ????????????120 | ????????????benzene | ???????????????????????? | 75 | ????????
| phosphoric acid | ????????????85 | ????????????110 | ????????????Ammonia water | ???????????????????????? | 110 | ????????????aniline | ???????????????????????? | 50 | ????????
| acetic acid | ????????????10 | ????????????110 | ????????????saline | ???????????????????????? | 135 | ????????????toluene | ???????????????????????? | 85 | ????????
| acetic acid | ????????????80 | ????????????80 | ????????????Sodium hydrogen phosphate | ????????????aqueous solution | ????????????120 | ????????????phenol | ???????????????????????? | 50 | ????????
| acetic acid | ????????????100 | ????????????50 | ????????????calcium phosphate | ????????????aqueous solution | ????????????135 | ????????????chlorobenzene | ???????????????????????? | 135 | ????????
| trichloroacetic acid | ????????????<10 | ????????????95 | ????????????calcium oxide | ????????????aqueous solution | ????????????135 | ????????????naphthalene | ???????????????????????? | 95 | ????????
| trichloroacetic acid | ????????????50 | ????????????50 | ????????????potassium oxide | ????????????aqueous solution | ????????????135 | ????????????chloromethane | ???????????????????????? | 135 | ????????
| oxalic acid | ???????????????????????? | 50 | ????????????Ammonium Oxide | ????????????aqueous solution | ????????????135 | ????????????chloroform | ???????????????????????? | 50 | ????????
| benzenesulfonic acid | ????????????aqueous solution | ????????????50 | ????????????ferric oxide | ????????????aqueous solution | ????????????135 | ????????????CTC | ???????????????????????? | 135 | ????????
| hydrofluoric acid | ????????????40-100 | ????????????95 | ????????????ferrous ferrous sulfate | ????????????aqueous solution | ????????????135 | ????????????chloroethane | ???????????????????????? | 135 | ????????
| hydrofluoric acid | ????????????40 | ????????????120 | ????????????ammonium sulfate | ????????????aqueous solution | ????????????135 | ????????????1.2 trichloroethane | ???????????????????????? | 135 | ????????
| hydrobromic acid | ????????????50 | ????????????130 | ????????????ammonium sulfate | ????????????aqueous solution | ????????????135 | ????????????1.1.2 trichloroethane | ???????????????????????? | 65 | ????????
| Peroxyacid | ????????????10 | ????????????95 | ????????????Sodium nitrate | ????????????aqueous solution | ????????????135 | ????????????tetrachloroethane | ???????????????????????? | 120 | ????????
| Peroxyacid | ????????????70 | ????????????50 | ????????????ammonium phosphate | ????????????aqueous solution | ????????????135 | ????????????vinyl chloride | ???????????????????????? | 95 | ????????
| Nanochloric acid | ????????????6-15 | ????????????95 | ????????????urea | ????????????aqueous solution | ????????????120 | ????????????Trichloroethylene | ???????????????????????? | 135 | ????????
| potassium chlorate | ???????????????????????? | 100 | ????????????CO2 | ???????????????????????? | 80 | ????????????Dichloroethylene | ???????????????????????? | 110 | ????????
| chromic acid | ????????????<40 | ????????????80 | ????????????chlorine dioxide | ???????????????????????? | 75 | ????????????natural gas | ???????????????????????? | 135 | ????????
| chromic acid | ????????????50 | ????????????50 | ????????????chlorine dioxide | ???????????????????????? | 65 | ????????????fuel oil | ???????????????????????? | 135 | ????????
| High potassium sulphate | ???????????????????????? | 120 | ????????????chlorine | ????????????element | ????????????95 | ????????????Paraffin oil | ???????????????????????? | 120 | ????????
| hydrogen peroxide | ????????????<30 | ????????????95 | ????????????bromine | ????????????element | ????????????65 | ???????????????????????? | ???????????? | ???????? |
| Sodium peroxide | ???????????????????????? | 95 | ????????????Iodine | ????????????element | ????????????65 | ???????????????????????? | ???????????? | ???????? |
Fluorine and corrosion performance table (for reference only)
| ???????????? | ???????????? | temperature, °C | ???????????????????? | |||||
| media | ????????????concentration% | ????????????25 | ????????????200 | ????????????media | ????????????concentration% | ????????????Temperature, 200 °C | ????????||
| sulfuric acid | ????????????0-100 | ????????????√ | ????????????√ | ????????????formic acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| fuming sulfuric acid | ???????????????????????? | √ | ????????????√ | ????????????acetic acid (acetic acid) | ????????????0-ice | ????????????√ | ????????????√ | ????????????√ | ????????
| Nitrate | ????????????0-100 | ????????????√ | ????????????√ | ????????????acetic acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| fuming sulfuric acid | ???????????????????????? | √ | ????????????√ | ????????????propionic acid | ???????????????????????? | √ | ????????????√ | ???????????????????? |
| hydrochloric acid | ???????????????????????? | √ | ????????????√ | ????????????acrylic | ???????????????????????? | √ | ???????????????????????? | ???????? |
| phosphoric acid | ???????????????????????? | √ | ????????????√ | ????????????acrylic anhydride | ???????????????????????? | √ | ????????????√ | ????????????√(boiling point) | ????????
| hydrofluoric acid | ???????????????????????? | √ | ????????????√ | ????????????methacrylic acid | ???????????????????????? | √ | ????????????√ | ????????????√(boiling point) | ????????
| hydrobromic acid | ???????????????????????? | √ | ????????????√ | ????????????butyric acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| Hydrioiodic acid | ???????????????????????? | √ | ????????????√ | ????????????辛酸 | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| hydrocyanic acid | ???????????????????????? | √ | ????????????√ | ????????????lauric acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| nitrous acid | ???????????????????????? | √ | ????????????√ | ????????????palmitic acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| nitrous acid | ???????????????????????? | √ | ????????????√ | ????????????stearic acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| chloric acid | ???????????????????????? | √ | ????????????√ | ????????????oleic acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| hypochlorous acid | ???????????????????????? | √ | ????????????√ | ????????????linoleic acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| Perchloric acid | ???????????????????????? | √ | ????????????√ | ????????????rosin acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| tetraphosphoric acid | ???????????????????????? | √ | ????????????√ | ????????????fatty acid | ???????????????????????? | √ | ????????????√ | ???????????????????? |
| carbonated | ???????????????????????? | √ | ????????????√ | ????????????chloroacetic acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| chromic acid | ???????????????????????? | √ | ????????????√ | ????????????lactic acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| silicic acid | ???????????????????????? | √ | ????????????√ | ????????????oxalic acid (oxalic acid) | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| boric acid | ???????????????????????? | √ | ????????????√ | ????????????fumaric acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| arsenic acid | ???????????????????????? | √ | ????????????√ | ????????????citric acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| selenic acid | ???????????????????????? | √ | ????????????√ | ????????????nicotinic acid | ???????????????????????? | √ | ????????????√ | ????????????√ | ????????
| fluorosilicic acid | ???????????????????????? | √ | ????????????√ | ???????????????????????? | ???????????? | ???????????? | ???????????? | ???????? |
| Fluoroborate | ???????????????????????? | √ | ????????????√ | ???????????????????????? | ???????????? | ???????????? | ???????????? | ???????? |
| chlorosulfonate | ???????????????????????? | √ | ????????????√ | ???????????????????????? | ???????????? | ???????????? | ???????????? | ???????? |
| 王水 | ???????????????????????? | √ | ????????????√ | ???????????????????????? | ???????????? | ???????????? | ???????????? | ???????? |
| mixed acid | ???????????????????????? | √ | ????????????√ | ???????????????????????? | ???????????? | ???????????? | ???????????? | ???????? |
| media | ????????????concentration% | ????????????temperature, 200 °C | ????????
| Sodium hydroxide | ???????????????????????? | √ | ????????
| potassium hydroxide | ???????????????????????? | √ | ????????
| ammonium hydroxide | ???????????????????????? | √ | ????????
| Magnesium hydroxide | ???????????????????????? | √ | ????????
| calcium hydroxide | ???????????????????????? | √ | ????????
| Aluminum Hydroxide | ???????????????????????? | √ | ????????
| Barium hydroxide | ???????????????????????? | √ | ????????
| iron hydroxide | ???????????????????????? | √ | ????????
| ferrous hydroxide | ???????????????????????? | √ | ????????
| nickel salt | ???????????????????????? | √ | ????????
| nickel sulfate | ???????????????????????? | √ | ????????
| Nitrate nitrate | ???????????????????????? | √ | ????????
| nickel chloride | ???????????????????????? | √ | ????????
| Zinc salt | ???????????????????????? | √ | ????????
| Zinc sulfate | ???????????????????????? | √ | ????????
| Zinc nitrate | ???????????????????????? | √ | ????????
| Zinc chloride | ???????????????????????? | √ | ????????