Nocchi SCM 4 HF 400

Summary

Product identification

The Nocchi SCM 4 HF 400 is an electric submersible multi-stage centrifugal pump, 4” complete with motor. These high flow rate submersible pumps are constructed for durable service, efficient and reliable performance. They are ideal for lifting from deep wells with a diameter of ø 4” (100 mm).

Applications

• Lifting from bore hole wells.
• Automatic garden irrigation systems.
• Gravity irrigation for agricultural use.
• Drinking water aqueducts.
• Lifting and supply of storage deposits or pressure autoclaves, for civil and industrial systems.

Operating limits

• Type of liquid: Clean, non aggressive, non explosive, free of solid bodies.
• Maximum liquid temperature: 35°C.
• Max. hourly start-ups: 30.
• Duty: Suitable for continuous duty.
• Motor protection: Thermal cut-out to be fitted by user.

Mechanical / hydraulic

• Pump type: Multi-stage hydraulics coupled directly to a submersible motor.
• Well diameter: ø 4” (100 mm).
• Motor flange: NEMA 4”.
• Mechanical seal: Special mechanical gasket with sand-proof protection.
• Pressure compensation: Diaphragm.
• Cooling: Non-polluting water cooling.

Materials of Construction

• Delivery port: Stainless steel series 300 - 2” BSP
• Suction flange: Microcast stainless steel series 300
• Pump body: Stainless steel series 300
• Cable protection ducting: Stainless steel series 300
• Filter: Stainless steel series 300
• Impeller: Glass fiber charged polycarbonate
• Diffuser: Glass fiber charged Noryl® (with thrust ring inserted in each stage)
• Motor shaft (hydraulic section): Hexagonal in stainless steel series 300
• Delivery bearing: Acetal resin
• Thrust bearing: Phenolic

Performance Data

The document includes hydraulic performance curves and a detailed performance table for various models, showing flow rates (L/min, m³/h) against head (m.c.a. / m.w.c.).

• Hydraulic Performance: See the official PDF for exact tabulated values and performance curves.
• Overall Dimensions and Weights: See the official PDF for exact tabulated values.

Electrical

• Motor type: Submerged motor of 4”.
• Stator: Sealed and set in special resin.
• Bearings: Thrust bearings and bushings, water-cooled.
• Power cable: Removable, approx. 1.75 m.
• Protection rating: IP 68.
• Insulation class: B.
• Rotation speed: 2850 rpm.
• Capacitor: Supplied without capacitor (single phase version).
• Control panel: Electrical control panel available on request.

Electrical Specifications by Model

• SCM4HF 400/30 M:
  • Power (P2): 2 HP (1.5 kW)
  • Voltage: 1 ~ 230 V
  • Current (In): 10.2 A
  • Capacitor (μF): 50
  • Stages: 7
• SCM4HF 400/30 T:
  • Power (P2): 2 HP (1.5 kW)
  • Voltage: 3 ~ 400 V
  • Current (In): 4 A
  • Stages: 7
• SCM4HF 400/50 T:
  • Power (P2): 3 HP (2.2 kW)
  • Voltage: 3 ~ 400 V
  • Current (In): 5.6 A
  • Stages: 11
• SCM4HF 400/80 T:
  • Power (P2): 5.5 HP (4 kW)
  • Voltage: 3 ~ 400 V
  • Current (In): 10.1 A
  • Stages: 18
• SCM4HF 400/100 T:
  • Power (P2): 7.5 HP (5.5 kW)
  • Voltage: 3 ~ 400 V
  • Current (In): 13.6 A
  • Stages: 23

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Disclaimer: This extraction may miss figures, footnotes, or revisions present in the original OEM PDF. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror