Pedrollo CP Series

Pedrollo CP Series – High-Performance Single Impeller Centrifugal Pumps

The Pedrollo CP Series delivers outstanding performance, robust construction, and long-term reliability. These single impeller centrifugal pumps are ideal for domestic, civil, agricultural, and light industrial applications. They are known for their energy efficiency, mechanical strength, and ease of use in water transfer systems.

Design and Build Quality

Each pump in the CP Series features a closed impeller design, which enhances efficiency and reduces wear. The pump body is made from cast iron, ensuring strength and corrosion resistance. In addition, the motor shaft is built using stainless steel AISI 431, offering excellent durability.

The impeller materials vary depending on the model. Most units include brass, cast iron, or stainless steel impellers. These options suit different operating conditions and liquid types. Furthermore, the mechanical seal is made from carbon and ceramic, which provides a long operational life.

The pump casing receives protective coating to increase resistance to oxidation and wear. This feature enhances pump longevity, especially in harsh or semi-corrosive environments.

Performance Range

The Pedrollo CP Series includes models ranging from 0.37 kW to 11 kW. Flow rates can reach up to 900 liters per minute, depending on the selected unit. Similarly, total head can go as high as 76 meters, ensuring suitability for pressurized systems.

Although they use a single impeller, these pumps often match the performance of small multistage units. Their design produces steady flow and strong pressure, which is critical in irrigation and domestic systems. Pedrollo has engineered this series for continuous duty (S1) applications. Therefore, they operate reliably for extended periods without risk of overheating.

Motor and Electrical Configuration

All motors are asynchronous, closed, and air-cooled, improving safety and power management. Models are available in single-phase or three-phase, depending on the user’s electrical system. Single-phase models run on 230V, while three-phase units support 230V/400V or 400V/690V inputs.

In addition, thermal protection is built into single-phase motors. For three-phase motors, protection must be installed externally. Motor bearings are permanently lubricated, eliminating the need for routine maintenance.

Each model features IP44 or IP54 motor enclosures, providing good protection from dust and moisture.

Self-Priming and Suction Capacity

Unlike some pump types, CP Series pumps are not self-priming. They require flooded suction or foot valve installation. However, they still support suction lifts of up to 7 meters, depending on water temperature and pipe diameter.

For users needing a single impeller centrifugal pump with high suction, Pedrollo offers other models like the JCR range. However, when installed correctly, the CP Series performs reliably in both open and closed-loop systems.

Typical Applications

The Pedrollo CP Series suits many sectors. It performs well in clean water transfer and pressure-boosting systems. Key applications include:

• Domestic water pressure boosting

• Garden and agricultural irrigation

• Filling or emptying tanks and cisterns

• Light industrial systems

• Cooling and air-conditioning circuits

• Washing systems for vehicles or surfaces

Thanks to the consistent flow and moderate pressure, these single impeller centrifugal pumps offer great versatility. They are especially popular in homes, farms, workshops, and HVAC systems.

Installation Guidelines

To install the CP pump correctly, mount it in a dry, ventilated space, protected from weather. These pumps are not submersible and must remain above water level unless using suction pipes with foot valves.

For noise reduction, always install on vibration-proof bases. Additionally, flexible pipe couplings help reduce water hammer and noise.

In systems with frequent on/off cycles, use a pressure tank and controller. This setup minimizes wear and prolongs pump life.

Noise and Energy Efficiency

These pumps run quietly, especially in enclosed pump rooms or mechanical areas. Many domestic users prefer CP models for their low acoustic footprint. Their energy efficiency also compares well to multistage models, especially in medium-head applications.

Because they have only one impeller, energy loss through internal friction remains low. Fewer moving parts mean fewer mechanical failures over time. That makes the CP series a cost-effective solution for long-term use.

Model Variants and Codes

The CP series includes dozens of model codes. Each code indicates the impeller size and power. For example:

• CPm 130 – Single-phase model, 0.75 kW

• CP 158 – Three-phase, 1.1 kW, heavy-duty performance

• CP 220 – High-head model, used for commercial irrigation

The “m” in the code indicates a single-phase motor. Models without “m” use three-phase configurations. Additionally, CP pumps come with optional flanged or threaded connections, depending on the region and application.

Maintenance Requirements

Maintenance is minimal but important. Inspect mechanical seals and bearings yearly. Clean the suction filter regularly to avoid blockages. Always verify electrical connections and grounding.

Because these are single impeller centrifugal pumps, dismantling is simple compared to multistage units. In case of failure, replacing individual parts is straightforward. Replacement seals, motors, and impellers are readily available from Pedrollo dealers.

Why Choose Pedrollo CP?

Here are key reasons to choose the Pedrollo CP Series:

• Proven reliability in domestic and agricultural settings

• Wide performance range across power ratings

• Efficient water flow even with just one impeller

• Strong build materials, including cast iron and stainless steel

• Low maintenance requirements and long operating life

• Quiet operation suitable for residential use

Moreover, Pedrollo is a globally respected brand with decades of pump manufacturing experience. Their CP Series reflects consistent engineering quality and design innovation.

In conclusion, the Pedrollo CP Series offers powerful, durable, and efficient single impeller centrifugal pumps. They support diverse applications in homes, farms, and industries. Each model provides consistent pressure and flow without complex parts or high maintenance.

If you need a reliable, quiet pump for clean water transfer, the CP Series delivers exceptional value. With models from 0.37 kW to 11 kW, you can find a perfect fit for almost any water system.

1. Pump Body: Cast Iron with ISO228/1 threaded ports

2. Cover: Cast Iron

3. Impeller: Stainless Steel

4. Mechanical Seal: FN18-ø18mm  (Graphite/Ceramic/NBR)

5. Motor Shaft: Stainless Steel AISI431

6.Electric Motor: Single Phase 230V – 50Hz