Nocchi A-HDR

Summary

Product identification

The Nocchi A-DHR is an automatic booster unit designed for pressure increase in water systems. It comprises a single-phase pump model DHR and an electronic FLUSSCONTROL device for automatic operation and protection against water supply failure.

Applications:

• Lifting and distribution of water in domestic systems.
• Pressure booster systems.
• Washing and irrigation.

Operating limits

• Maximum recommended suction height: 6 m with foot valve.
• Maximum operating pressure: 10 bar.
• Liquid temperature range: 4°C to 65°C.
• Non-adjustable restart pressure: 1.5 bar.
• Continuous duty.

Feed water

• Type of liquid: Clean water without suspended solid bodies or abrasive material.

Electrical

• Power supply: Single-phase with permanently activated capacitor.
• Thermal cutout protection incorporated in motor winding.
• Rotation speed: 2850 rpm.
• Protection rating: IP 54.
• Insulation class: F.
• Power cable: 1.5m H05 RN-F with Schuko plug.

Model-specific electrical data:

• A-DHR 4-20 FB:
  • Voltage: 1 ~ 230 V
  • Current (In): 2.9 A
  • Capacitor (µF): 12.5
  • Motor output (P2): 0.50 HP (0.37 kW)
  • Motor output (P1): 0.80 HP (0.60 kW)
• A-DHR 4-30 FB:
  • Voltage: 1 ~ 230 V
  • Current (In): 3.7 A
  • Capacitor (µF): 12.5
  • Motor output (P2): 0.70 HP (0.50 kW)
  • Motor output (P1): 1.10 HP (0.80 kW)

Mechanical / hydraulic

Materials of construction:

• Pump body: CAST IRON GJL-200 (ASTM Class 35)
• Motor bracket: Die cast aluminum
• Impellers: Stainless steel X5 CrNi18-10 (AISI 304)
• Diffusers: Stainless steel X5 CrNi18-10 (AISI 304)
• Casing: Stainless steel X5 CrNi18-10 (AISI 304)
• Shaft: Stainless steel X5 CrNi18-10 (AISI 304)
• Gaskets / Seals: NBR
• Mechanical gasket: Graphite/ceramic

Overall dimensions and weights:

• A-DHR 4-20 FB:
  • A: 71 mm
  • B: 339 mm
  • C: 143 mm
  • D: 338 mm
  • DNA: 1" 1/4
  • DNM: 1” M
  • Weight: 11.5 kg
• A-DHR 4-30 FB:
  • A: 71 mm
  • B: 339 mm
  • C: 143 mm
  • D: 338 mm
  • DNA: 1" 1/4
  • DNM: 1” M
  • Weight: 11.7 kg

Hydraulic performance: The hydraulic performance table provides flow rates (Q) in L/min and m³/h, and corresponding head (m.c.a. / m.w.c.) for different models. See the official PDF for exact 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 original OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror