MEKX series 50Hz

Summary

Product identification

Rovatti Pumps Multistage Electric Pumps, 50Hz. These are close-coupled monobloc multistage electric pumps, widely useful in water supply and boosting technological plants for irrigation, residential, and industrial applications. Engineered with advanced technical solutions for efficient and reliable pumping of a wide variety of liquids.

Available series:

• MEKX: Horizontal multistage electric pumps with AISI 304 stainless steel hydraulic components, axial suction.
• MEKRX: Horizontal multistage electric pumps with AISI 304 stainless steel hydraulic components, radial suction.
• MEKVX: Vertical multistage electric pumps with AISI 304 stainless steel hydraulic components.

Pump identification codes include:

• ME: Monobloc electric pump
• K, KR, KV: Version (Horizontal axial, Horizontal radial, Vertical)
• X: AISI 304 casted stainless steel execution
• Nominal power in HP (e.g., 25, 30, 35, 40, 50, 60, 75, 90, 100, 125 HP)
• Nominal Ø suction port (e.g., DN 80, DN 100)
• Nominal capacity in m³/h (e.g., 70, 100)
• Number of stages (e.g., 2 to 7)
• Seal type: Twinner System® (-TB) or Cartridge mechanical seal (-TMC)

Operating limits

• Capacity: Up to 135 m³/h
• Head: Up to 240 m (for MEKX, MEKRX series); Up to 200 m (for MEKVX series)
• Power: Up to 90 kW (for MEKX, MEKRX series); Up to 55 kW (for MEKVX series)
• Max. solids contents: 70 g/m³
• Max. water temperature: 90°C
• Max. running time with Q=0: 1 min
• Max. operating pressure (including suction pressure): 27 bar
• Max. suction pressure: 6 bar

Feed water

Pump performances refer to cold water (20°C) at atmospheric pressure (1 bar) according to ISO 9906 Grade 3B norms. Performances indicated in the catalogue refer to liquid with density of 1000 kg/m³ and with kinematic viscosity not higher than 1 mm²/s.

Electrical

• Motor type: Closed asynchronous electric motors
• Frequency: 50Hz
• Poles: 2 poles
• Standards: IEC 34-1
• Ingress Protection: IP 55
• Insulation class: F

Mechanical / hydraulic

• Construction: Centrifugal multistage pump body with flanged ports.
• Motor support: Conforms to IEC 34-1, IP 55, insulation class F.
• Materials:
  • Motor support: Cast iron
  • Pump body: Cast iron
  • Coupling: Cast iron
  • Diffuser shell: AISI 304 stainless steel
  • Impeller body: AISI 304 stainless steel
  • Impeller: AISI 304 stainless steel
  • Wear ring: Technopolymer
  • Pump shaft: Stainless steel
  • Suction bowl: Cast iron
• Seal types:
  • Twinner System® (-TB): Stainless steel - PTFE
  • Cartridge mechanical seal (-TMC): Widia - Widia - EPDM

Performance curves, detailed dimensions, and weights for specific models (e.g., MEKX80-70, MEKX100-100, MEKRX80-70, MEKRX100-100, MEKVX80-70, MEKVX100-100) 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 OEM PDF. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror