Lowara e-SV Series Vertical Multistage Electric Pumps

Overview

The Lowara e-SV series is a high-efficiency, non-self-priming vertical multistage pump designed for reliability and energy savings. It features a stainless steel liquid end, modular design, and compatibility with variable speed drive systems like Hydrovar® and e-SM Drive for optimized performance.

Specifications

PUMP

• Flow Rate: Up to 160 m³/h
• Head: Up to 330 m
• Maximum Operating Pressure:
  • 1-22SV (Oval Flanges): 16 bar (PN16)
  • 1-22SV (Round Flanges, Victaulic®, Clamp, DIN 11851): 25 bar (PN25)
  • 33-46SV: 16, 25, or 40 bar (PN16, PN25, PN40)
  • 66-125SV: 16 or 25 bar (PN16 or PN25)
• Temperature Range: -30°C to +120°C (up to 180°C for high-temperature versions)
• Material: Stainless steel construction (1, 3, 5, 10, 15, 22 m³/h models in full stainless steel)
• Hydraulics Compliance: ISO 9906:2012 - Grade 3B
• Pump Direction: Clockwise (top-down view)

MOTOR

• Type: Squirrel cage induction motor with external ventilation
• Efficiency Class: IEC Standard (IE3 and IE5 options)
• Protection Class: IP55
• Insulation Class: 155 (F)
• Voltage:
  • Single-phase: 220-240V, 50 Hz
  • Three-phase:
    • Up to 3 kW: 220-240/380-415V, 50 Hz
    • Above 3 kW: 380-415/660-690V, 50 Hz
• Power Range: 0.37 kW to 55 kW

Key Features

œ… Liquid End in Stainless Steel Ensures durability and corrosion resistance
œ… Standard Mechanical Seal Replacement No need to remove the motor for easy maintenance (10-125SV models)
œ… Reduced Impeller Axial Thrust Extends motor bearing life
œ… Replaceable Diffuser Wear Ring PPS Glass-filled polymer for chemical and mechanical resistance
œ… High-Temperature Seal Option Handles up to 180°C
œ… Variable Speed Options Compatible with Hydrovar®, e-SM Drive, and integrated Hydrovar® X
œ… Certified for Potable Water WRAS, ACS, D.M. 174 certifications
œ… Performance Monitoring Optimyzediagnostic system and Dry Run sensor available as accessories

Market Sectors & Applications

Market Sectors:

• Civil
• Agricultural
• Industrial & Light Industry
• Water Treatment
• HVAC (Heating & Air Conditioning)

Applications:

• Pressure boosting and water supply
• Industrial & commercial wash systems
• Boiler feed applications
• Circulation of hot and cold water in HVAC
• Irrigation & water treatment plants
• Handling of demineralized water, glycol mixtures, and moderately aggressive liquids

Available Versions

🔹 e-SV: Standard IEC motor
🔹 e-SVE: Variable speed Smart Pump with IE5 ultra-premium efficiency motor (up to 2.2 kW)
🔹 e-SVH: Variable speed pump with Hydrovar® controller (up to 22 kW)
🔹 e-SV Hydrovar® X: Fully integrated IE5 high-efficiency solution with built-in intelligence (3-22 kW)