Pedrollo 5.5 HP Three-phase Submersible Pump 6SR 44/4 Specifications
This pump is designed for efficient water extraction in various conditions. It can operate at a maximum liquid temperature of +35°C, making it suitable for most water sources. The pump head reaches up to 49.5 meters, providing strong water flow. It handles sand content up to 100 grams per cubic meter, which is ideal for well water with some sediment. The maximum depth it can operate at is 200 meters with 6PD motors and 150 meters with 6PSR motors, ensuring deep water access. It runs vertically and can start up to 20 times per hour at regular intervals, with a minimum cooling flow of 8 centimeters per second to prevent overheating. The motor power is 4 kW or 5.5 HP, and it can pump up to 1000 liters per minute. The pumping unit is configured for three-phase voltage, suitable for industrial setups. This Pedrollo pump is built for continuous operation (S1 duty cycle) and fits well in wells with a diameter of 6 inches or 153 millimeters. The impellers are made from Noryl™ and coated with a special elastomer resistant to sand abrasion, while the diffusers are also made from Noryl™. The pump shaft is crafted from durable AISI 304 stainless steel, ensuring longevity. The weight of this Pedrollo submersible pump unit varies depending on the model, with the PD version weighing 54.9 kg and the PSR version 71.5 kg, indicating robust construction for demanding applications.
| Specification | Value |
| Liquid temperature | +35 °C |
| Head (m) | 49.5 |
| Maximum sand content | 100 g/m³ |
| Maximum operating depth below water level | – 200 m with 6PD motors, – 150 m with 6PSR motors |
| Operation | in vertical position |
| Starts per hour | 20 at regular intervals |
| Minimum cooling flow | 8 cm/s |
| Power (kW) | 4 |
| Power (HP) | 5.5 |
| Max. flow rate (l/min) | 1000 |
| Voltage | three-phase configured |
| Continuous running duty | S1 |
| Suited for well diameters | 6 inches, 153 mm |
| Impellers | Noryl™ and coated with special sand-resistant elastomer |
| Diffusers | Noryl™ |
| Pump shaft | AISI 304 stainless steel |
| Weight (kg) | 54.9 (PD), 71.5 (PSR) |
Pedrollo 5.5 HP Three-phase Submersible Pump 6SR 44/4 Performance Curve
| m³/h | 0 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | 60 |
| l/min | 0 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
| head (m) | 49.5 | 43 | 40 | 37 | 33.5 | 30 | 25.8 | 21 | 15 | 8 |
Pedrollo 5.5 HP Three-phase Submersible Pump 6SR 44/4 Applications
- Deep well water extraction
- Irrigation systems in agriculture
- Industrial water supply
- Municipal water management
Pedrollo 5.5 HP Three-phase Submersible Pump 6SR 44/4 Benefits
- Handles up to 100 g/m³ sand content efficiently
- Operates at depths up to 200 meters
- Durable materials ensure long-lasting performance
- High flow rate of 1000 liters per minute
Pedrollo 5.5 HP Three-phase Submersible Pump 6SR 44/4 Price List
| No. | Name | Price |
| 1 | Pedrollo 5.5 HP Three-phase Submersible Pump 6SR 44/4 Price | Contact us |










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