Self-Priming Vortex Pump Product Description:
The CWX series Self-Priming Vortex Pump represents our advanced line of marine-grade self-priming vortex pumps, available in two configurations:
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Bracket-mounted version
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Bracket-free compact design
Innovative Two-Stage Hydraulic Design:
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Primary Stage: Centrifugal impeller for initial fluid acceleration
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Secondary Stage: Vortex chamber created by the unique outer diaphragm/partition design enhances pumping efficiency
Self-Priming Performance:
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Requires only initial priming (first-time use)
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Maintains prime automatically due to:
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Elevated discharge port positioning
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Strategic pump body water retention
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Eliminates need for repeated priming during normal operation cycles
Parameters:
| Type | NPSH | Suction head | Shaft power | Capatity | Head | Speed | Efficiency |
| (m) | (m) | (kw) | (m3/h) | (m) | (r/min) | (%) | |
| 1.5CWX-2 | 4 | 6 | 2 | 3 | 40 | 2900 | 16.3 |
| 1.5CWX-3 | 4 | 6 | 2.3 | 6.5 | 35 | 2900 | 26.9 |
| 1.5CWX-4 | 4 | 6 | 2.5 | 10 | 35 | 2900 | 38.1 |
| 1.5CWX-2A | 4 | 6 | 2 | 3 | 40 | 2900 | 16.8 |
| 1.5CWX-3A | 4 | 6 | 2.3 | 6.5 | 35 | 2900 | 26.9 |
| 1.5CWX-4A | 4 | 6 | 2.5 | 10 | 35 | 2900 | 38.1 |
Note: The description might be incorrect, please contact us for confirmation.
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