CWZ Series Marine Horizontal Self-Priming Centrifugal Pump
Product Features
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Designed and manufactured in accordance with CBM2218 and CBM2219 standards.
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Excellent hydraulic model design.
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Self-priming design – no foot valve required.
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Only requires a small amount of water to be filled into the pump casing before first use; thereafter, it automatically achieves self-priming for every subsequent start.
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Good performance.
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Easy to maintain and repair.
Model Designation
Example: 32 CWZ-4 A
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A – Impeller after first trimming
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4 – Approximate value of specific speed ÷ 10
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CWZ – Marine horizontal self-priming centrifugal pump
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32 – Pump inlet diameter (mm)
Performance Curve Data
Axes:
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Horizontal axis: Flow rate Q (m³/h)
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Vertical axis: Head H (m)
| Flow Q (m³/h) | 50CWZ-5 | 65CWZ-5 | 80CWZ-6 | 100CWZ-6 | 150CWZ-7 | 200CWZ-7 | 250CWZ-7 | 300CWZ-7 |
|---|---|---|---|---|---|---|---|---|
| 0 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 |
| 10 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 |
| 20 | 25 | 29 | 33 | 37 | 41 | 45 | 49 | 53 |
| 30 | 22 | 26 | 30 | 34 | 38 | 42 | 46 | 50 |
| 40 | 20 | 24 | 27 | 31 | 35 | 39 | 43 | 47 |
| 50 | 18 | 22 | 25 | 28 | 32 | 36 | 40 | 44 |
| 60 | 16 | 20 | 23 | 26 | 30 | 34 | 38 | 42 |
| 70 | 14 | 18 | 21 | 24 | 28 | 32 | 36 | 40 |
| 80 | 12 | 16 | 19 | 22 | 26 | 30 | 34 | 38 |
| 90 | 11 | 15 | 18 | 21 | 25 | 29 | 33 | 37 |
| 100 | 10 | 14 | 17 | 20 | 24 | 28 | 32 | 36 |
Note:
Solid lines represent pump performance curves at 2950 r/min.
Dashed lines represent pump performance curves at 1450 r/min.
Note: The description may be different with the product, please contact us for quotation.
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