Acuapres

Summary

Product identification

• Acuapres Pressure Submersible multistage pumps with built-in pressure control.
• Models: Acuapres 4M N, Acuapres 6M N.

Applications

• Pressurising of domestic water for houses, semi-detached homes, apartments, chalets and rural homes.
• Suitable for pressure building services.

Materials

• Outer casing, discharge body, impellers, filter, discharge cover, motor casing: Stainless steel AISI 304.
• Pump shaft: Stainless steel AISI 303.
• Diffusers: PPO.
• Mechanical seal: Graphite and alumine/graphite/steatite/NBR/AISI 304.

Operating limits

• Maximum working pressure: 8 bar.
• Ø of solids: 2 mm.
• Maximum start-ups per hour: 30.
• Water temperature: from 4 °C to 40 °C.
• Installation: Vertical only.

Electrical

• Motor type: Asynchronous, two poles.
• Protection: IP 68.
• Insulation: Class F.
• Operation: Continuous.
• Cooling: Water-cooled motor.
• Single-phase version: Includes Klixon (incorporated thermal protection).
• Motor characteristics: 230 V.
• Available voltages (from table headers): 1230 V (model M), 1230 V, 3~400 V.
• Model 4M N (1~230 V):
  • I [A]: 3.5
  • P1 [kW]: 1.7
  • P2 [kW]: 0.8
  • c [µF]: 12
• Model 6M N (1~230 V):
  • I [A]: 5
  • P1 [kW]: 2
  • P2 [kW]: 1.2
  • c [µF]: 16

Mechanical / hydraulic

• Submersible multistage pump with built-in pressure control and non return valve.
• Dry running control with four trials if no water.
• Oil chamber with two mechanical seals.
• Starting pressure:
  • Model 4: 2 bar.
  • Model 6: 3 bar.
• Required ancillary equipment: A pressure vessel on the discharge pipework, minimum 24 ltrs.
• Discharge connection (from dimensions table): 1”
• Dimensions and Weights:
  • Acuapres 4M N:
    • A: 493
    • B: 126
    • C: 1”
    • Weight: 10.6 Kg
  • Acuapres 6M N:
    • A: 560
    • B: 126
    • C: 1”
    • Weight: 12.4 Kg

Performance Data

• Performance curves are available at 2900 rpm.
• Hydraulic performance tables provide flow rates in l/min and m³/h, and head in mwc for models Acuapres 4M N and Acuapres 6M N.
• Acuapres 4M N (example points):
  • 10 l/min (0.6 m³/h) at 41 mwc
  • 45 l/min (2.7 m³/h) at 22 mwc
  • 65 l/min (3.9 m³/h) at 6 mwc
• Acuapres 6M N (example points):
  • 10 l/min (0.6 m³/h) at 60 mwc
  • 45 l/min (2.7 m³/h) at 32 mwc
  • 65 l/min (3.9 m³/h) at 9 mwc
• See the official PDF for exact tabulated values across the full operating range.

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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