1. Product Overview
The Pedrollo F 50/160A is a robust electric centrifugal pump designed for various industrial and agricultural applications. It features a cast iron pump casing and a brass impeller, ensuring durability and efficient performance. This pump is suitable for handling clean water and is engineered for continuous operation (S1).
Key applications include water supply systems, washing installations, compressed air systems, fire protection systems, irrigation, industrial processes, and water circulation in air conditioning units.

Figure 1: Pedrollo F 50/160A Electric Centrifugal Pump. This image shows the blue-colored pump with its electric motor on the right and the pump casing with inlet/outlet flanges on the left. The robust cast iron construction is visible, along with the cooling fins on the motor.
2. Safety Information
Always read and understand all safety warnings and instructions before installing, operating, or performing maintenance on the pump. Failure to do so may result in serious injury or property damage.
- Electrical Safety: This pump operates on a three-phase, 400 V, 50 Hz power supply. Installation and wiring must be performed by a qualified electrician in accordance with local electrical codes and regulations. Ensure the power supply is disconnected before any installation or maintenance work.
- Operating Conditions: Do not operate the pump outside its specified temperature ranges. Liquid temperature should be between -10 °C and +90 °C. Ambient temperature should be between -10 °C and +40 °C.
- Pressure: The maximum pressure in the pump body is 10 bar (PN10). Do not exceed this pressure.
- Liquid Type: This pump is designed for clean water only. Do not use it with flammable, corrosive, or abrasive liquids.
- Installation Location: Install the pump in indoor areas or in locations protected from adverse weather conditions.
- Maintenance: Always disconnect power before performing any maintenance. Allow the pump to cool down if it has been running.
3. Setup and Installation
Proper installation is crucial for the pump's performance and longevity. Consult a professional if you are unsure about any steps.
- Mounting: Securely mount the pump on a stable, level surface using appropriate fasteners. Ensure there is adequate space around the pump for ventilation and maintenance access.
- Piping Connections: Connect the suction and discharge pipes to the pump's flanges. Use appropriate gaskets and ensure all connections are watertight and free from leaks. Avoid putting strain on the pump casing from misaligned pipes.
- Electrical Connection:
- Ensure the main power supply is OFF.
- Connect the three-phase (400 V, 50 Hz) power supply to the motor's terminal box according to the wiring diagram provided inside the terminal box cover.
- Ensure proper grounding of the pump.
- Install appropriate circuit breakers and motor protection devices as required by local regulations.
- Priming: Before initial operation, the pump casing and suction line must be completely filled with the liquid to be pumped. This prevents dry running and potential damage to the pump.
- Check Rotation: Briefly switch on the pump to verify the correct direction of impeller rotation. If the rotation is incorrect, reverse two of the three phase wires.
4. Operating Instructions
Once installed and primed, the pump is ready for operation.
- Start-up: Ensure all valves in the suction and discharge lines are open. Switch on the power supply to the pump. The pump should start smoothly.
- Monitoring: During operation, monitor the pump for unusual noises, vibrations, or leaks. Check pressure gauges (if installed) to ensure operation within expected parameters.
- Shut-down: To stop the pump, switch off the power supply. If the pump will be out of service for an extended period, especially in freezing conditions, drain the pump casing and pipes to prevent damage.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your Pedrollo pump.
- Routine Checks: Periodically inspect the pump for any signs of wear, corrosion, or leaks. Check electrical connections for tightness and integrity.
- Cleaning: Keep the pump and motor clean and free from dust and debris to ensure proper cooling.
- Bearing Lubrication: The motor bearings are typically sealed and lubricated for life. Refer to the motor's specific manual if lubrication is required.
- Impeller Inspection: If performance degrades, the impeller may need inspection for blockages or wear. This should be done by qualified personnel after disconnecting power and draining the pump.
- Winterization: In areas subject to freezing temperatures, drain the pump and piping completely to prevent ice damage.
6. Troubleshooting
This section provides solutions to common issues. For complex problems, contact qualified service personnel.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start | No power; tripped circuit breaker; motor overload; faulty wiring. | Check power supply; reset breaker; check motor protection; inspect wiring. |
| Pump runs but no water or low flow | Pump not primed; air leak in suction line; clogged impeller/pipes; incorrect rotation. | Re-prime pump; check suction connections; clear blockages; verify rotation direction. |
| Excessive noise or vibration | Cavitation (air in system); worn bearings; misaligned pump/motor; loose mounting. | Ensure proper priming; inspect bearings; check alignment; tighten mounting bolts. |
| Pump leaks | Loose connections; damaged seals/gaskets; cracked casing. | Tighten connections; replace seals/gaskets; consult service for casing damage. |
7. Specifications
Detailed technical specifications for the Pedrollo F 50/160A Electric Centrifugal Pump.
- Model: F 50/160A
- Power Supply: Three-phase, 400 V, 50 Hz
- Power: 7.5 kW (10 Hp)
- Flow Rate: 300 to 1100 liters/min
- Head: 27 to 37 meters
- Suction Lift (Manometric): Up to 7 meters
- Pump Casing Material: Cast Iron
- Impeller Material: Brass
- Motor Efficiency: IE3
- Max. Pressure in Pump Body: 10 bar (PN10)
- Liquid Temperature Range: -10 °C to +90 °C
- Ambient Temperature Range: -10 °C to +40 °C
- Operation Type: Continuous (S1)
- Item Weight: Approximately 60 kg
- Manufacturer Part Number: 4FN50163AE
8. Warranty and Support
For warranty information, please refer to the documentation provided at the time of purchase or contact your authorized Pedrollo dealer. Pedrollo products are known for their quality and reliability.
For technical support, spare parts, or service inquiries, please contact your local Pedrollo distributor or the seller from whom you purchased the pump. Provide the model number (F 50/160A) and serial number (if applicable) when seeking assistance.
Seller Information: PratoErboso Shop (as per purchase record)
Manufacturer: Pedrollo





