E6-8 KX 50Hz Borehole Pumps

Summary

Product identification

The product line consists of E6-8 KX Electric Borehole Pumps, operating at 50 Hz.

Electric Pump Code Examples:

• E6KX17/8+MCR455-8V
• E6KX46/10+MPC620A-8V
• E8KX77/12+MPC860A-8V

Wet End Identification Codes:

• E.KX: Series
• DN in inch: 6 or 8
• Hydraulic identification number: e.g., 17, 46, 77
• Coupling flange motor: e.g., -4, -6, -8
• Number of stages: e.g., /8, /10, /12
• Unit usage: -V for 50 Hz, -W for 50/60 Hz

Submersible Motor Identification Codes:

• MC/MPC: Submersible motor series
• R: Axial thrust
• Nominal diameter in inches: 4, 6, or 8
• Nominal power in CV: e.g., 55, 20, 60
• Generational code: e.g., /3, /1
• Constructive variant: e.g., A
• Constructional features of electric motor: e.g., -8

Pump construction and materials

Motor construction and materials

For MC. 4, MCH. 4, MCK. 4, MCR. 4 Motors:

For MPC6/3A, MPC8/1A, MPCW6/3A, MPCW8/1A Motors:

Operating limits

• Water suitability: Suitable for chemically and mechanically non-aggressive water.
• Maximum solids content: 50 g/m³ (with the same hardness and granulometry of silt).
• Maximum operating time (outlet closed, pump submersed): 3 min.
• Maximum submersion: 150 m.
• Minimum water speed outside motor jacket:
  • 0.08 m/s for 4" motors
  • 0.5 m/s for MPC6 motors
• Maximum liquid temperature:
  • MC4.. motors: 30°C
  • MPC6.. motors: 30°C

Feed water

• Density: 1 kg/dm³
• Kinematic viscosity: Not more than 1 mm²/s
• Temperature for performance measurement: 15°C

Electrical

• Standard supply voltage (Three-phase/50 Hz):
  • Direct starting (MC/MAC/MPC…-8): 400 V for all power outputs.
• Inverter compatibility: All motors are suitable for operation with an inverter, provided a filter is installed between the motor and the inverter to manage the voltage gradient.
• Available supply voltages (Three-phase/50 Hz, on request):
  • 4" motors: MC...-6 230 V up to 7.5 kW; MC...-8 400 V up to 7.5 kW.
  • 6" motors: MPC…-8 400 V up to 37 kW; MPC…-9 400/700 V up to 37 kW.
  • Other voltages and frequencies are available on request.
• Permissible voltage variations:
  • For 230 V and 400 V (4", 6"): ± 10%.
  • For other voltages and frequencies: ± 5%.
• Tolerances on operating data: According to International Standards IEC 34-1.
• Thermal probes: Available on request.

Mechanical / hydraulic

• Performance standards: Hydraulic performance characteristics are guaranteed conforming to UNI/ISO 9906 Grade 3B. Testing to UNI/ISO 9906 Grade 2B is available on request.
• Horizontal installation: Special executions for horizontal installation are available if not usually foreseen.
• Check valve thread: Available with NPT thread.
• Check valve diameter:
  • E6KX17 series: Rp2 1/2
  • E6KX30, E6KX46, E6KX60 series: Rp3
  • E8KX77 series: Rp5
• Minimum Efficiency Index (MEI): ≥ 0.40.
• Overall dimensions and weights: Detailed tables are provided in the official PDF, listing maximum diameter, weight, and various dimensions (A, B, C, D, E, G, F) for each pump type. See the official PDF for exact tabulated values.
• Performance data: Extensive tables detailing motor power, head, capacity, and NPSH for various pump models are available in the official PDF. 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 PDF. Contractual data must always match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror