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Description
The CHL 12-40 VSD Centrifugal Pump is a high-power 2.2 kW (≈3 HP) solution engineered for superior constant water pressure in high-demand environments. Featuring a Multistage Stainless Steel Pump and an integrated Variable Speed Drive (VSD), this system delivers an impressive 12 m³/h flow and 47m head. It is the ideal choice for commercial water boosting, large-scale irrigation, and industrial water supply where energy efficiency and stable pressure are critical.
Features
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Maximized Energy Efficiency: The integrated VSD (PC20 or equivalent) precisely matches motor speed and power consumption to the exact flow rate required, guaranteeing constant pressure while minimizing electricity costs.
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High-Capacity Performance: Excellent for multi-story buildings or large properties, providing a max flow of 12 m³/h and a max head of 47m.
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Superior Durability: The entire pump body and impellers are constructed from high-grade Stainless Steel for maximum corrosion resistance and longevity.
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Quiet & Protected Operation: Operates quietly (<65 dB(A)) and features IP55 motor protection and F-Class Insulation for reliable performance in varied environments.
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Intelligent Control: Automatically maintains a user-defined constant pressure level, eliminating pressure spikes and fluctuations (water hammer).
What Does It Do?
This VSD system automatically maintains a consistent pressure level by dynamically adjusting the pump's motor speed. It ensures all water outlets receive stable pressure regardless of demand, eliminates the high-current draw of traditional "on/off" pumps, and features intelligent operation modes like Proportional Mode to optimize performance based on system requirements.
| Attribute | Details |
| Pump Model | CHL 12-40 VSD |
| Rated Power | 2.2 kW (≈3 HP) |
| Voltage / Phase | 220–240V / Single Phase |
| Max. Flow Rate | 12 m³/h |
| Max. Head | 47 Meters (≈ 4.7 Bar) |
| Inlet / Outlet Size | 2 Inch (DN50) |
| Motor Protection | IP55 |
Maintenance
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Smooth Operation: Low maintenance requirement due to the wear-reducing capabilities of the VSD (Soft Start/Stop).
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Environmental Limits: Ensure the ambient temperature stays within 0°C–40°C and the pumped liquid does not exceed 80°C to protect the seals.
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Routine Checks: Periodically verify the pressure setpoint on the VSD controller to ensure optimal system performance.
Good to Know (Important)
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Easy Integration: Features large 2-inch (DN50) Inlet/Outlet connections, making it suitable for high-flow plumbing manifolds.
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Deep Suction Capability: Capable of a Max Suction Lift of up to 8 meters, useful for drawing water from underground tanks or shallow wells.
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Versatile Applications: Supports Constant Pressure, Proportional Mode, and Manual operation.
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Temperature Tolerance: Handles liquid temperatures up to 80°C, making it suitable for HVAC and hot water circulation duties.
What’s in the Box?
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1 x CHL 12-40 Multistage Centrifugal Pump (2.2 kW)
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1 x Integrated VSD Controller (PC20 Smart Drive or equivalent)
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1 x High-Precision Pressure Sensor & Digital Display
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1 x Installation & Programming Manual
Dimensions & Weight
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Installation Type: Horizontal
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Noise Level: <65 dB(A)
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Note: This unit features a slightly larger and heavier footprint than the 1.5 kW model to accommodate the more powerful 2.2 kW motor.
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