CVX 50Hz Multistage Vertical Pumps

Summary

Product identification

The CVX series consists of Multistage Vertical Electric Pumps, operating at 50 Hz.

The pump coding system includes:

• CVX: Series
• Size of wet end
• Generational code wet end
• Number of stages
• E2: Motor type E (IE2 Monophase)
• E3: Motor type E (IE3 Three-phase)
• Nominal power in kW
• Three-phase / Single-phase
• Number of poles: 2
• Type of starts:
  • 1: Three-phase 230/400 V 50 Hz, Single-phase 230 V 50 Hz
  • 2: Three-phase 400-700 V 50 Hz
• Motor generational code
• Variants

Operating limits

• Max. temperature of pumped liquid: +90°C
• Liquid characteristics for specifications:
  • Cold water (15 °C)
  • Pressure of 1 bar (atmospheric)
  • Volume mass of 1 kg/dm³
  • Kinematic viscosity of not more than 1 mm²/s
• Performance guarantees: According to UNI/ISO 9906 Grade 3B (Grade 1B available on demand).

Electrical

• Voltage: Eurovoltage
• Frequency: Multi-frequency
• Efficiency class: IE3
• IP rating: 55
• Poles: 2
• VSD (inverter) compatibility: Compatible

Mechanical / hydraulic

• Inlet/outlet ports: In line
• Seal: Mechanical

Construction Materials

Key components are constructed from the following materials:

• Diffuser: Stainless steel
• Impeller: Stainless steel
• Impeller wear ring: PTFE
• Lantern bracket: Cast iron
• Shaft: Stainless steel
• Inlet/Outlet Flanges: Cast iron
• Stage casing: Stainless steel
• Pump head: Stainless steel (for CVX 031, 051, 101, 151, 201, 321 models), Cast iron (for CVX 451, 641, 901 models)
• Mechanical seal: Silicon carbide/silicon carbide
• Pump casing: Stainless steel (for CVX 031, 051, 101, 151, 201, 321 models), Cast iron (for CVX 451, 641, 901 models)
• Base plate: Cast iron
• Seal ring: Rubber EPDM
• Intermediate bearing: Bronze (for CVX 321, 451, 641, 901 models)
• Bottom bearing: Tungsten carbide/tungsten carbide (for CVX 321, 451, 641, 901 models)
• Screws and nuts: Stainless steel

Performance Data

Performance curves and tabulated data for various CVX models (CVX 031, CVX 051, CVX 101, CVX 151, CVX 201, CVX 321, CVX 451, CVX 641, CVX 901) are available in the official PDF. These tables detail:

• Motor power [kW] and [CV]
• Capacity [l/s], [m³/h], and [l/min]
• Total manometric head [m]
• NPSH [m]

Dimensions and Weights

Detailed overall dimensions and weights for various CVX models are provided in the official PDF. Dimensions are indicative; executive drawings will be supplied upon order.

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. For contractual data, always refer to the specific OEM PDF revision used for the project. The manufacturer reserves the right to make product improvements without prior notice.

Official datasheet (PDF)

Lenntech datasheet mirror