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 Mutistage centrifugal pumpsType Indication
 Feature:
 
 High efficiency and energy saving
 Low noise
 Convenient inspection and inspection
 
 Application:
 
 High building water supply,  fire fighting water supply,boiler feeding, municipal
 Water supply and drainage
 
 Performance Range:
 
 Capacity: 14.4 m3/h ~ 324 m3/h (4L/s ~ 90L/s)
 Head Range: 14 m ~ 336 m
 Temperature of nedium: DL(I) ≤80 C, DLR(I) ≤ 130 C
 Suction Pressure: ≤ 1.0 Mpa
 Max. Working Pressure: ≤ 3.6 Mpa
 
 
  
 Table of standard performance
 
 
| Pump Model | Capacity | Total Head | Speed | Efficiency | Power | Impeller Dia. | NPSH |  
| m3/h | L/s | (m) | (rpm) | (%) | (kw) | (mm) | (m) |  
| 65DL25-20(I) x 1 65DLR-20(I) x 1 | 14.4 | 4 | 20.9 | 1450 | 45 | 1.82 | 250 | 2.5 |  
| 18 | 5 | 20.6 | 49 | 2.06 |  
| 25.2 | 7 | 20.0 | 52 | 2.64 |  
| 28.8 | 8 | 19.1 | 53 | 2.83 |  
| 30 | 8.33 | 18.8 | 53.5 | 2.87 |  
| 65DL25-20(I) x 2 65DLR-20(I) x 2 | 14.4 | 4 | 41.8 | 1450 | 45 | 3.64 | 250 | 2.5 |  
| 18 | 5 | 41.2 | 49 | 4.12 |  
| 25.2 | 7 | 40 | 52 | 5.28 |  
| 28.8 | 7 | 38.2 | 53 | 5.66 |  
| 30 | 8.33 | 37.6 | 53.5 | 5.74 |  
| 65DL25-20(I) x 3 65DLR-20(I) x 3 | 14.4 | 4 | 62.7 | 1450 | 45 | 5.46 | 250 | 2.5 |  
| 18 | 5 | 61.8 | 49 | 6.18 |  
| 25.2 | 7 | 60 | 52 | 7.92 |  
| 28.8 | 8 | 57.3 | 53 | 8.49 |  
| 30 | 8.33 | 56.4 | 53.5 | 8.61 |  
| 65DL25-20(I) x 4 65DLR-20(I) x 4 | 14.4 | 4 | 83.6 | 1450 | 45 | 7.28 | 250 | 2.5 |  
| 18 | 5 | 82.4 | 49 | 8.24 |  
| 25.2 | 7 | 80 | 52 | 10.56 |  
| 28.8 | 8 | 76.4 | 53 | 11.32 |  
| 30 | 8.33 | 75.2 | 53.5 | 11.48 |  
| 65DL25-20(I) x 5 65DLR-20(I) x 5 | 14.4 | 4 | 104.5 | 1450 | 45 | 9.1 | 250 | 2.5 |  
| 18 | 5 | 103 | 49 | 10.3 |  
| 25.2 | 7 | 100 | 52 | 13.2 |  
| 28.8 | 8 | 95.5 | 53 | 14.15 |  
| 30 | 8.33 | 95 | 53.5 | 14.35 |  
| 65DL25-20(I) x 6 65DLR-20(I) x 6 | 14.4 | 4 | 125.4 | 1450 | 45 | 10.92 | 250 | 2.5 |  
| 18 | 5 | 123.6 | 49 | 12.36 |  
| 25.2 | 7 | 120 | 52 | 15.84 |  
| 28.8 | 8 | 114.6 | 53 | 16.98 |  
| 30 | 8.33 | 112.8 | 53.5 | 17.22 |  
| 65DL25-20(I) x 7 65DLR-20(I) x 7 | 14.4 | 4 | 146.3 | 1450 | 45 | 12.74 | 250 | 2.5 |  
| 18 | 5 | 144.2 | 49 | 14.42 |  
| 25.2 | 7 | 140 | 52 | 18.48 |  
| 28.8 | 8 | 133.7 | 53 | 19.81 |  
| 30 | 8.33 | 131.6 | 53.5 | 20.09 |  
| 65DL25-20(I) x 8 65DLR-20(I) x 8 | 14.4 | 4 | 167.2 | 1450 | 45 | 14.56 | 250 | 2.5 |  
| 18 | 5 | 164.8 | 49 | 16.48 |  
| 25.2 | 7 | 160 | 52 | 21.12 |  
| 28.8 | 8 | 152.8 | 53 | 22.64 |  
| 30 | 8.33 | 150.4 | 53.5 | 22.96 |  
| 65DL25-20(I) x 9 65DLR-20(I) x 9 | 14.4 | 4 | 188.1 | 1450 | 45 | 16.38 | 250 | 2.5 |  
| 18 | 5 | 185.4 | 49 | 18.54 |  
| 25.2 | 7 | 180 | 52 | 23.76 |  
| 28.8 | 8 | 171.9 | 53 | 25.47 |  
| 30 | 8.33 | 169.2 | 53.5 | 25.83 |  
| 65DL25-20(I) x 10 65DLR-20(I) x 10 | 14.4 | 4 | 209 | 1450 | 45 | 18.2 | 250 | 2.5 |  
| 18 | 5 | 206 | 49 | 20.6 |  
| 25.2 | 7 | 200 | 52 | 26.4 |  
| 28.8 | 8 | 191 | 53 | 28.3 |  
| 30 | 8.33 | 188 | 53.5 | 28.7 |  * In power 380V / 50Hz conditions.
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