DL & DLR Series Vertical Multistage Centrifugal Pump
Product Overview
The DL and DLR Series Vertical Multistage Centrifugal Pump is engineered for efficient transfer of water and other liquids with properties similar to clear water, operating within a temperature range of -15°C to +120°C. These compact, space-saving multistage pumps are ideal for high-rise building constant pressure water supply systems, fire protection networks, automatic sprinkler systems, and booster applications. Additionally, they serve industrial plants, long-distance water transfer projects, equipment cooling circuits, and various production process water requirements.
Model Identification: 100DL-(DLR)100-20×40
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100: Inlet/outlet diameter (mm)
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DL: Vertical multistage centrifugal pump (standard)
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DLR: High-temperature vertical multistage pump (hot water version)
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100: Flow capacity (m³/h)
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20: Head per stage (m)
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40: Number of stages
Key Features & Benefits
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Multistage Design: Delivers high pressure output in a compact vertical footprint
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Wide Temperature Range: Handles fluids from -15°C to 120°C (DLR series for hot water)
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Space-Saving Vertical Configuration: Ideal for limited installation spaces
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Constant Pressure Performance: Maintains stable pressure for building water supply systems
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Energy-Efficient Operation: Optimized impeller design reduces power consumption
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Versatile Application Support: Suitable for commercial, industrial, and municipal use
Technical Performance Data
Selected Performance Specifications (1480 RPM):
| Model | Capacity (m³/h) | Head (m) | Power (kW) | Stages | NPSH (m) |
|---|---|---|---|---|---|
| 40DL6-12 | 6 | 24-144 | 1.5-11 | 2-12 | 3.2 |
| 50DL12.5-12.5 | 12.5 | 25-125 | 3-11 | 2-10 | 2.2 |
| 65DL30-15 | 30 | 30-150 | 5.5-30 | 2-10 | 2.82 |
| 100DL100-20 | 100 | 40-200 | 18.5-90 | 2-10 | 2.8 |
| 150DL200-20 | 200 | 40-160 | 37-132 | 2-8 | 3.5 |
| 200DL300-20 | 300 | 40-160 | 55-200 | 2-8 | 5 |
The description/sizes may be different with goods, please check with us when order.
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