Water Pumps
Representative ProductKOOI 75 Dual-Head Series Variable-Frequency Water Pump
Dual-head, dual-impeller water pumps for freshwater and seawater circulation, with 100–600 W power and model-specific maximum flow rates of 22–60 m³/h.
- MOQ
- 4 unit
- Available Models
- HRD-22D, HRD-35D, HRD-45D, HRD-50D, HRD-55D, HRD-60D, HRD-35DA, HRD-55DA
Overview
- KOOI 75 Dual-Head Series pumps combine a dual-head, dual-impeller configuration with a magnetic suspension design for high-volume freshwater and seawater circulation. The range includes eight models, with power ratings from 100 to 600 W, model-specific maximum flow rates from 22 to 60 m³/h and maximum heads from 3 to 8 m. Maximum flow and maximum head describe separate operating limits.
- Applications include rockery waterfalls, fountains, water walls and large trickle filtration systems. The pump features two top threaded connections, intake covers at both ends, a central carrying handle and a mounting base. The specified dimensions are 410 × 155 × 215 mm, with a 5 m cable.
- Variable-frequency operation is paired with protection against lightning surges, electrical interference, dry running and locked-rotor conditions. Select the model according to the required operating head and circulation flow.
Specifications
Electrical
Common Specifications
- Voltage
- 110V / 220V / 380V
Model Comparison
| Specification | HRD-22D | HRD-35D | HRD-45D | HRD-50D | HRD-55D | HRD-60D | HRD-35DA | HRD-55DA |
|---|---|---|---|---|---|---|---|---|
| Power Consumption (W) | 100 | 200 | 300 | 400 | 500 | 600 | 200 | 500 |
Performance
Common Specifications
- Variable-Frequency Drive (VFD)
- Yes
Model Comparison
| Specification | HRD-22D | HRD-35D | HRD-45D | HRD-50D | HRD-55D | HRD-60D | HRD-35DA | HRD-55DA |
|---|---|---|---|---|---|---|---|---|
| Max Flow Rate | 22 | 35 | 45 | 50 | 55 | 60 | 35 | 55 |
| Max Lift Height (m) | 3 | 5 | 5.5 | 6.5 | 7.5 | 8 | 5 | 7.5 |
| Recommended Head (M) | 1 | 1.5 | 1.5 | 2 | 2.5 | 2.5 | 1.5 | 2.5 |
| Flow Rate Control | — | — | — | — | — | — | 10 levels | 10 levels |
| Controller Functions | — | — | — | — | — | — | On/Off / Flow Rate Adjustment | On/Off / Flow Rate Adjustment |
Physical
Common Specifications
- Shaft Material
- Ceramic
- Outlet Connection Type and Size
- φ75With Male Threaded Connection
- Optional Accessories
- 75 mm PVC Female Threaded Adapter
- Dimensions
- 410X155X215 mm
- Plug Type
- EU / CN / US / UK
Model Comparison
| Specification | HRD-22D | HRD-35D | HRD-45D | HRD-50D | HRD-55D | HRD-60D | HRD-35DA | HRD-55DA |
|---|---|---|---|---|---|---|---|---|
| Cable Length (m) | 5 | 5 | 5 | 5 | 5 | 5 | 3.5+1.3 | 3.5+1.3 |
General
Common Specifications
- Warranty Period
- 18 months
- Packaging Unit
- 4 PCS
- Carton Dimensions
- 54*43*44 cm
Model Comparison
| Specification | HRD-22D | HRD-35D | HRD-45D | HRD-50D | HRD-55D | HRD-60D | HRD-35DA | HRD-55DA |
|---|---|---|---|---|---|---|---|---|
| Gross Weight (Kg) | 4.4 | 4.4 | 5 | 5 | 5 | 5 | 4.4 | 5.2 |
| Gross Weight per Carton (kg) | 19 | 19 | 21.5 | 21.5 | 21.5 | 21.5 | 19 | 22.5 |