E/ER series 60Hz

Summary

Product Identification

Rovatti E/ER series 60Hz electric borehole pumps, ranging from 6” to 14” diameter. These pumps are designed for water supply and boosting in irrigation, residential, and industrial applications, and are compatible with standardized submersible motors.

The document covers various pump types, including:

• 6ERC: 6” radial borehole electric pumps with stainless steel external casing.
• 6ER: 6” radial borehole electric pumps with cast iron shell and tie rods.
• 6EC: 6” mixed-flow borehole electric pumps with stainless steel external casing.
• 6E: 6” mixed-flow borehole electric pumps.
• 8ER: 8” radial borehole electric pumps with cast iron shell and tie rods.
• 8E: 8” mixed-flow borehole electric pumps.
• 8ER-50: 8” radial borehole electric pumps with tie rods.
• 10ER-70: 10” radial borehole electric pumps with tie rods.
• 10E: 10” mixed-flow borehole electric pumps.
• 12E: 12” mixed-flow borehole electric pumps.
• 14E-650: 14” mixed-flow borehole electric pumps.
• 10ER: 10” radial borehole electric pumps with cast iron shell and tie rods.

A typical pump identification example (6ERCR3/20-625T) describes:

• 6: Minimum well diameter in inches
• ER: Pump type (radial)
• CR: Stainless steel external casing
• 3: Hydraulic size
• 20: Number of stages
• 6: Motor external diameter in inches
• 25: Nominal power in HP
• T: Frequency 60Hz

General Performance Range

• Capacity: up to 840 m³/h
• Head: up to 600 m
• Power: up to 300 kW

Specific Product Series Performance Ranges

• 6ERC: Capacity up to 42 m³/h, Head up to 320 m, Power up to 320 kW
• 6ER: Capacity up to 42 m³/h, Head up to 590 m, Power up to 30 kW
• 6EC: Capacity up to 96 m³/h, Head up to 245 m, Power up to 37 kW
• 6E: Capacity up to 96 m³/h, Head up to 432 m, Power up to 37 kW
• 8ER: Capacity up to 72 m³/h, Head up to 500 m, Power up to 66 kW
• 8E: Capacity up to 216 m³/h, Head up to 435 m, Power up to 110 kW
• 8ER-50: Capacity up to 78 m³/h, Head up to 570 m, Power up to 92 kW
• 10ER-70: Capacity up to 126 m³/h, Head up to 600 m, Power up to 170 kW
• 10E: Capacity up to 456 m³/h, Head up to 365 m, Power up to 185 kW
• 12E: Capacity up to 660 m³/h, Head up to 260 m, Power up to 185 kW
• 14E-650: Capacity up to 840 m³/h, Head up to 175 m, Power up to 300 kW
• 10ER: Capacity up to 126 m³/h, Head up to 580 m, Power up to 110 kW

Operating Limits

• Minimum well internal diameter: 6”
• Max. solids contents: 40 g/m³
• Max. water temperature: 30°C
• Max. running time with Q=0: 2 min

Feed Water

• Temperature: 20°C (cold water reference for performance)
• Density: 1000 kg/m³
• Kinematic viscosity: not higher than 1 mm²/s
• Solids content: Max. 40 g/m³

Mechanical / Hydraulic

• Construction: Centrifugal multistage pumps, either radial or mixed-flow, with an incorporated retaining valve in the delivery bowl. Some models feature an external casing of stainless steel or cast iron with tie rods.
• Performance Tolerances: ISO 9906 Grade 3B.
• Minimum well diameter: 6”
• Discharge Nominal (DN) for 6ERCR/6ERCX models: 2½”
• Materials (for 6ERC/6ERCX models):
  • Delivery bowl: Cast iron (Stainless steel for 6ERCX)
  • Retaining valve: Stainless steel
  • Diffuser: Thermoplastic resin
  • Impeller: Thermoplastic resin (Brass for 6ERCR01-6ERCX01, except for specific models)
  • Journal bearing: Rubber
  • Wear ring: Brass
  • External casing: Stainless steel
  • Shell: Thermoplastic resin
  • Pump shaft: Stainless steel
  • Coupling: Stainless steel
  • Suction bowl: Cast iron (Stainless steel for 6ERCX)
  • Suction grid: Stainless steel
• Dimensions and Weights: Overall dimensions and weights for pumps and motors are provided in tables within the full PDF document (e.g., pump dimensions on pages 6-14, motor dimensions and weights on pages 97-105). See the official PDF for exact tabulated values.

Electrical

• Frequency: 60Hz
• Motor Type: 2 poles, 60Hz electric submersible motors.
• Power: Up to 300 kW (general range). Specific power ratings are available for each pump model. Electrical characteristics for motors are detailed on page 96 of the full PDF.

---

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the complete OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used for the project.

Official datasheet (PDF)

Lenntech datasheet mirror