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EIIMAN Permanent Magnet Variable Frequency Multistage Self-Priming Pump
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Power | 400 W |
| Input Voltage | 180–260 V |
| Pipe Diameter | DN25 |
| Rated Flow | 2 m³/h |
| Maximum Flow | 4 m³/h |
| Self-Priming Height | 5 m |
| Rated Head | 18 m |
| Maximum Head | 30 m |
| Suitable Water Temperature | ≤ 60 °C |
| Speed Range | 2500–5600 r/min |
| Gross Weight | 5.3 kg |
| Package Size | 340 × 230 × 275 mm |
Application Scenarios
- Domestic water pressure boosting
- Water tower, water tank, or well water supply
- Cold and hot water circulation / air energy heat pump circulation
Applicable Use:
- 1–3-story buildings: can supply 4–5 taps simultaneously
- 4–6-story buildings: can supply 2–3 taps simultaneously
Features
Variable Frequency Function
High-speed motor (5600 rpm) automatically adjusts power output according to water flow, achieving twice the efficiency of traditional booster pumps.
Constant Pressure Operation
AI algorithm monitors pipeline pressure; pressure at each outlet remains nearly identical.
Multi-stage impeller design ensures smooth and quiet operation.
Energy-Saving and Eco-Friendly
Fluid components use polymer materials — corrosion-resistant and non-toxic.
Three-impeller design delivers higher rated flow with only 400 W, equivalent to conventional 700 W pumps.
Comprehensive Protection
Includes dry-run protection, overheat protection, anti-burn protection, and antifreeze protection.
Antifreeze mode automatically activates when water temperature falls below 3 °C (in standby power state).
Self-Priming Design
Overcomes air-lock issues in multi-stage impellers, enabling efficient self-priming.
Modern Aesthetics
Streamlined appearance, better suited for contemporary home interiors.
After-Sales Convenience
One-button factory reset, built-in timer, clear digital display showing remaining service life and usage time.
Notes
- For water temperatures below 60 °C.
- The pump outlet must be connected to flexible hoses; rigid connections can cause vibration and noise.
- When starting the pump for the first time, fill the pump chamber with water.
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