Pedrollo 6HR

Summary

Product Identification

The Pedrollo 6HR is a series of 6" submersible pumps constructed with durable micro-cast stainless steel.

• Registered Community Model: No. 004675106-0002

Performance Range

• Flow rate: Up to 1500 l/min (90 m³/h)
• Head: Up to 375 m

Operating Limits

• Liquid temperature: Up to +40 °C
• Sand content: Max. 100 g/m³
• Maximum operating depth below water level:
  • 200 m with 6PD motors
  • 150 m with 6PSR motors
• Operation:
  • In vertical position
  • Horizontally with the following limits:
    • 6HR34 up to 11 stages
    • 6HR44 up to 10 stages
    • 6HR54 up to 9 stages
    • 6HR64 up to 7 stages
• Starts per hour: 20 at regular intervals
• Minimum cooling flow: 8 cm/s
• Continuous running duty: S1

Feed Water

Designed to transfer clean or brackish water with sand content up to 100 g/m³. These pumps are suitable for coastal installations and brackish water environments due to their mechanical resilience against sand wear and corrosion.

Electrical

• Standard motor: Three-phase electric motor 400 V - 50 Hz
• Motor types:
  • 6PD rewindable and oil filled
  • 6PSR rewindable and water filled
• Power cable: 4 m included
• Available upon request:
  • Different voltage requirements
  • 60 Hz frequency
  • 6HR-HYD pumps with double cable cover for coupling with 400/690 V dual voltage motors (star/delta)

Mechanical / Hydraulic

• Construction: Submersible pump designed for 6" wells, constructed with durable micro-cast stainless steel.
• Materials and Components:
  • Delivery port: Micro-cast AISI 304 stainless steel with thread according to ISO 228/1
  • Check valve: Stainless steel AISI 304
  • Motor bracket: AISI 304 micro-cast stainless steel sized to NEMA standards
  • Impellers: AISI 304 micro-cast stainless steel
  • Diffusers: AISI 304 micro-cast stainless steel
  • Pump shaft: Stainless steel AISI 304
  • Pump bearings: Special elastomer
  • Wear rings: Special elastomer
  • Tow coupling: Stainless steel AISI 304
  • Filter: Stainless steel AISI 304
  • Cable sheath: Stainless steel AISI 304
• Available upon request: Counterflange kit
• Dimensions and Weight: Detailed dimensions (h1, h2, h3) and weights (kg) are provided for various 6HR 34, 6HR 44, 6HR 54, and 6HR 64 models with both 6PD and 6PSR motors. See the official PDF for exact tabulated values.

Performance Data

Performance curves and tables are available for the 6HR 34, 6HR 44, 6HR 54, and 6HR 64 series, detailing flow rate (Q) versus total manometric head (H) for various power (P2) ratings. Performance curves comply with EN ISO 9906 Grade 3B tolerance limits. See the official PDF for detailed performance curves and tabulated values.

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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 on the project.

Official datasheet (PDF)

Lenntech datasheet mirror