e-SV Series

Summary

Product identification

The Lowara e-SV™ Series consists of high-efficiency vertical multistage electric pumps, available in models 1, 3, 5, 10, 15, 22, 33, 46, 66, 92, and 125. These pumps are non-self priming and are coupled to standard motors.

Key features include:

• Equipped with IE2/IE3 motors complying with Regulation (EC) no. 640/2009.
• Designed for 60 Hz operation.
• The liquid end is made entirely of stainless steel in the 1, 3, 5, 10, 15, 22 m³/h standard versions.
• Patented i-ALERT™ monitors continuously measure vibration and are available as standard on pumps 7.5 kW (10 HP) and above.
• Can be used with the Hydrovar® control system for managing pump operation and saving energy.
• Mechanical seals can be replaced without removing the motor from the pump for 10, 15, 22, 33, 46, 66, 92, 125SV series.

Operating limits

• Delivery: Up to 160 m³/h
• Head: Up to 280 m
• Temperature of pumped liquid (standard version): From -30°C to +120°C
• Maximum operating pressure:
  • 1, 3, 5, 10, 15, 22SV with oval flanges: 16 bar (PN16)
  • 1, 3, 5, 10, 15, 22SV with round flanges or Victaulic®, Clamp or DIN 11851 connections: 25 bar (PN 25)
  • 33, 46SV: 16, 25, 40 bar (PN 16, PN 25 or PN 40)
  • 66, 92, 125SV: 16 or 25 bar (PN 16 or PN 25)
• Direction of rotation: Clockwise, looking at the pump from the top down (marked with an arrow).
• Tested in compliance with: ISO 9906 - Annex A.

General characteristics for 2-pole SV models at 60 Hz:

• Max efficiency flow: Ranges from 2 m³/h (1SV) to 144 m³/h (125SV).
• Flow range: Ranges from 0.8÷2.8 m³/h (1SV) to 60÷160 m³/h (125SV).
• Maximum pressure: Ranges from 17 bar (92SV) to 28 bar (46SV, 66SV).
• Motor power: Ranges from 0.37÷3 kW (1SV) to 15÷55 kW (125SV).
• Maximum pump efficiency (Max η): Ranges from 50% (1SV) to 80% (92SV).
• Standard temperature: -30 to +120 °C.

Feed water

• Applications: Handling of water, free of suspended solids, in civil, industrial, and agricultural sectors.
• Suitable for moderately aggressive liquids, demineralised water, and water-glycol mixtures.
• Drinking water certification:
  • F, T, R, N versions (1, 3, 5, 10, 15, 22SV series) are certified for drinking water use (WRAS and ACS certified).
  • G, N versions (33, 46, 66, 92, 125SV series) are certified for drinking water use (WRAS and ACS certified).
• Liquid compatibility: A compatibility chart is provided in the official PDF, detailing recommended elastomer and seal types for various liquids including acids (e.g., Acetic acid, Citric acid, Hydrochloric acid, Nitric acid, Phosphoric acid, Sulphuric acid, Tannic acid, Tartaric acid, Uric acid), bases (e.g., Alkaline degreaser, Caustic soda, Hydroxide sodium), alcohols (e.g., Butyl alcohol, Denatured alcohol, Ethyl alcohol, Methyl alcohol, Propyl alcohol), oils (e.g., Cutting fluid, Diathermic oil, Emulsion oil and water, Hydraulic oil, Mineral oil, Vegetable oil), and other common industrial liquids (e.g., Aluminium sulfate, Ammonia in water, Ammonium sulfate, Benzoic acid, Boric acid, Chloroform, Cleaning products, Copper sulfate, Deionised/demineralised water, Ethylene glycol, Formaldehyde, Glycerine, Iron sulfate, Perchloroethylene, Phosphates-polyphosphates, Propylene glycol, Sodium bicarbonate, Sodium hypochlorite, Sodium nitrate, Sodium sulfate, Trichloroethylene, Water, Water condensate, Water detergents/mineral oils mixture). See the official PDF for exact tabulated values.

Electrical

• Motor type: Squirrel-cage in short circuit (TEFC), enclosed construction with external ventilation.
• Protection: IP55.
• Insulation: Class 155 (F).
• Performance: According to EN 60034-1.
• Standard voltage:
  • Single-phase: 220-230 V, 60 Hz. Includes built-in automatic reset overload protection up to 1.5 kW; user-provided protection required for higher powers.
  • Three-phase (2 pole): 220 V ∆, 380 V Υ, 60 Hz up to 55 kW. User-provided overload protection required.
• Cable gland: Standard passage dimensions according to EN 50262 (metric thread).
• Single-phase motor data (60 Hz, 2 poles): A table lists kW ratings from 0.4 to 2.2, with corresponding current (In), capacitor (µF), speed (min⁻¹), efficiency (η %), power factor (cosϕ), nominal torque (Nm), and starting/max torque ratios. See the official PDF for exact tabulated values.
• Three-phase motor data (60 Hz, 2 poles, up to 22 kW): A table provides efficiency (ηN %) at 4/4, 3/4, and 2/4 load for kW ratings from 0.75 to 22. Further data for 380 V / 60 Hz includes power factor (cosϕ), starting current ratio (ls/lN), nominal torque (Nm), and starting/max torque ratios. Current (IN) values are also provided for various voltages (220 V, 230 V, 380 V, 400 V, 660 V, 690 V). See the official PDF for exact tabulated values.
• Three-phase motor data (60 Hz, 2 poles, from 30 to 55 kW): A table provides efficiency (ηN %) at 4/4, 3/4, and 2/4 load for kW ratings from 30 to 55. Further data for 380 V / 60 Hz includes power factor (cosϕ), starting current ratio (ls/lN), nominal torque (Nm), and starting/max torque ratios. Current (IN) values are also provided for various voltages (220 V, 380 V). See the official PDF for exact tabulated values.
• Available voltages: A comprehensive table lists available single-phase and three-phase voltages for motors up to 22 kW and for motors ≥ 30 kW. See the official PDF for exact tabulated values.
• Motor noise (2 poles, 60 Hz): A table provides sound pressure levels (LpA dB) for various motor powers (kW) and IEC sizes, measured as per Curve A (Standard ISO 1680) with a tolerance of 3 dB(A). Values range from <70 dB to 79 dB. See the official PDF for exact tabulated values.

Mechanical / hydraulic

• Pump construction: Vertical multistage centrifugal pump. The liquid end, located between the upper cover and the pump casing, is held in place by tie rods.
• Mechanical seals:
  • 1, 3, 5SV and 10, 15, 22SV (≤ 4 kW) series: Mechanical seal according to EN 12756 (ex DIN 24960) and ISO 3069.
  • 10, 15, 22SV (≥ 5.5 kW) series and 33, 46, 66, 92, 125SV series: Balanced mechanical seal according to EN 12756 (ex DIN 24960) and ISO 3069, designed for replacement without removing the motor from the pump.
  • Seal housing chamber designed to prevent air accumulation.
• Materials in contact with pumped liquid:
  • 1, 3, 5, 10, 15, 22SV series (F, T, R versions): Pump body, impeller, diffuser, outer sleeve, shaft, seal housing, coupling protection, fill/drain plugs are AISI 304 stainless steel.
  • 1, 3, 5, 10, 15, 22SV series (N, V, C, K versions): Pump body, impeller, diffuser, outer sleeve, seal housing are AISI 316L stainless steel. Shaft and fill/drain plugs are AISI 316 stainless steel. Tie rods are AISI 431 stainless steel.
  • 33, 46, 66, 92SV series (G versions): Pump body, lower support, adapter, coupling, upper head, seal housing are Cast iron. Impeller, diffuser, outer sleeve, coupling protection are AISI 304 stainless steel. Shaft is AISI 431 stainless steel. Fill/drain plugs are AISI 316 stainless steel.
  • 33, 46, 66, 92SV series (N versions): Pump body, lower support, upper head, seal housing are AISI 316 cast stainless steel. Impeller, diffuser, outer sleeve, coupling protection are AISI 316L stainless steel. Shaft is Duplex stainless steel (UNS S 31803). Fill/drain/air plugs are AISI 316 stainless steel. Tie rods are AISI 431 stainless steel.
  • 125SV series (G versions): Pump body, adapter (up to 45kW), coupling (up to 45kW), upper head, seal housing are Cast iron. Lower support, impeller, diffuser, adapter ring, coupling protection are AISI 304 stainless steel. Outer sleeve is AISI 304 stainless steel. Shaft is AISI 431 stainless steel. Fill/drain/air plugs are AISI 316 stainless steel.
  • 125SV series (N versions): Pump body, lower support, impeller, diffuser, upper head, seal housing, adapter ring are AISI 316 cast stainless steel. Outer sleeve is AISI 316L stainless steel. Shaft is Duplex stainless steel (UNS S 31803). Fill/drain/air plugs are AISI 316 stainless steel. Tie rods are AISI 431 stainless steel.
• Mechanical seal materials (standard and other types):
  • Rotating part: Silicon Carbide (Q1), Resin impregnated carbon (B), Special resin impregnated carbon (C).
  • Stationary part: Silicon Carbide (Q1), Resin impregnated carbon (B), Special resin impregnated carbon (C).
  • Elastomers: EPDM (E), FPM (V), PTFE (T).
  • Springs: AISI 316 (G).
  • Other components: AISI 316 (G).
• Pressure/Temperature application limits for complete pump (with any listed seals):
  • Q1 B E G G: -30 to +120 °C
  • Q1 Q1 E G G: -30 to +120 °C
  • Q1 B V G G: -10 to +120 °C
  • Q1 Q1 V G G: -10 to +120 °C
  • *Q1 C T G G: 0 to +120 °C
  • *Q1 Q1 T G G: 0 to +120 °C
  • (* Versions with anti-rotation lock pin of the fixed part.)

Applications

• Pressure boosting and water supply systems.
• Irrigation systems.
• Wash systems.
• Water treatment plants.
• Circulation of hot and cold water for heating, cooling, and conditioning systems.
• Boiler feed.
• Pharmaceutical industries.
• Food & beverage industries.

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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 official OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror