Summary

Lowara 1320 Series Submersible Pumps (60Hz)

This document provides technical specifications for the 1320 series submersible pumps, available in Vortex and Non-clog hydraulic versions, operating at 60 Hz.

1. Vortex Pumps

Product identification

• Usage: Submersible pump with vortex hydraulic, suitable for liquids containing solids, abrasive media, or light wastewater.
• Denomination:
  • Type: Vortex
  • Non-explosion proof version: 1320.181
  • Explosion proof version: 1320.090
• Model variants: H – High head, M – Medium head
• Installation types:
  • Free-standing: Portable semipermanent, wet well arrangement with hose coupling or flange.
  • Wet-well: Semipermanent, wet well arrangement with pump installed on two guide bars; automatic discharge connection.

Operating limits

• Liquid temperature: Maximum 40°C (104°F)
• Depth of immersion: Maximum 20 m (65 ft)
• pH of the pumped liquid: 5.5 – 14
• Liquid density: Maximum 1100 kg/m³

Electrical

• Motor type: Squirrel-cage induction motor
• Frequency: 60 Hz
• Power supply: 1-phase or 3-phase
• Starting method: Direct on-line, Star-delta, Variable Frequency Drive (VFD)
• Number of starts per hour: Maximum 15
• Code compliance: IEC 60034-1
• Voltage variation without overheating: ±10%, if not run continuously at full load
• Voltage imbalance between phases: Maximum 2%
• Stator insulation class: F (155°C [311°F])
• Cables:
  • Direct-on-line start or Y/D start with two cables: Flygt SUBCAB® - heavy duty 4 cores motor power cable with two twisted pair screened control cores. Conductor insulation rating of 90°C. Chemical resistant within pH 3-10, ozone, oil, and flame resistant. Used up to 70°C water temperature. Cables < 10 mm² with unscreened control cores.
  • Y/D start: Flygt SUBCAB® - heavy duty 7 cores motor power cable with two twisted pair screened control cores. Conductor insulation rating of 90°C. Chemical resistant within pH 3-10, ozone, oil, and flame resistant. Used up to 70°C water temperature. Cables < 7G6 mm² with unscreened control cores.
• Monitoring equipment (Motor): Thermal contacts opening temperature: 18-15-2Z, 18-15-4Z at 140°C (284°C).
• Motor Ratings:
  • Star-delta starting current is 1/3 of Direct on-line starting current.
  • 460 V, 60 Hz, 3-phase: Rated power from 5.6 kW (7.5 hp) to 8.2 kW (11 hp). Rated current from 9.3 A to 13 A. Start current 110 A. Power factor from 0.84 to 0.9. Revolutions per minute (rpm) from 3500 to 3535.
  • 230 V, 60 Hz, 1-phase: Rated power from 5.6 kW (7.5 hp) to 7.1 kW (9.5 hp). Rated current from 34 A to 42 A. Start current 138 A. Power factor from 0.84 to 0.87. Revolutions per minute (rpm) from 3500 to 3525.
  • 460 V, 60 Hz, 3-phase (Medium Head): Rated power from 4.5 kW (6 hp) to 7.5 kW (10 hp). Rated current from 9.1 A to 13 A. Start current 68 A. Power factor from 0.72 to 0.82. Revolutions per minute (rpm) from 1735 to 1765.
  • 230 V, 60 Hz, 1-phase (Medium Head): Rated power from 4.5 kW (6 hp) to 5.6 kW (7.5 hp). Rated current from 28 A to 35 A. Start current 107 A. Power factor from 0.83 to 0.85. Revolutions per minute (rpm) from 1750 to 1765.
  • See the official PDF for exact tabulated values and performance curves.

Mechanical / hydraulic

• Major castings, Pump housing, Impeller (alternative 2): Cast iron, gray (ASTM 30B / EN GJL-200)
• Impeller (alternative 1): Cast iron, gray (ASTM 35B / EN GJL-250)
• Lifting eye bolt: Steel electro zinc coated (EN 10084 - C15E)
• Lifting handle: Stainless steel (AISI 304 / 1,4301)
• Shaft: Stainless steel (AISI 431 / 1.4057+QT800)
• Screws and nuts: Stainless steel, A2 (AISI 304 / 1.4301, 1.4306, 1.4307, 1.4311)
• O-rings: Nitrile rubber (NBR) 70° IRH
• Oil (part no 901752): Medical white oil of paraffin type, fulfills FDA 172.878 (a).
• Mechanical seals:
  • Inner seal: Carbon (CSb)/ Corrosion resistant cemented carbide (WCCR)
  • Outer seal: Corrosion resistant cemented carbide (WCCR)/ Corrosion resistant cemented carbide (WCCR)
• Surface treatment finish: Black or blue two-component high-solid top coating.
• Options: Leakage sensor in the stator housing (FLS).
• Accessories: Installation equipment, mechanical accessories (discharge connections, adapters, hose connections), and electrical accessories (pump controller, control panels, starters, monitoring relays, cables).

2. Non-clog Pumps

Product identification

• Usage: Submersible pump for efficient pumping of clean water, surface water, and wastewater containing solids. Designed for sustained efficiency over time.
• Denomination:
  • Type: Non-clog
  • Non-explosion proof version: 1320.181
  • Explosion proof version: 1320.090
• Model variants: H – High head, M – Medium head, S – Super high head
• Installation types:
  • Free-standing: Portable semipermanent, wet well arrangement with hose coupling or flange.
  • Wet-well: Semipermanent, wet well arrangement with pump installed on two guide bars; automatic discharge connection.

Operating limits

• Liquid temperature: Maximum 40°C (104°F)
• Depth of immersion: Maximum 20 m (65 ft)
• pH of the pumped liquid: 5.5 – 14
• Liquid density: Maximum 1100 kg/m³

Electrical

• Motor type: Squirrel-cage induction motor
• Frequency: 60 Hz
• Power supply: 1-phase or 3-phase
• Starting method: Direct on-line, Star-delta, Variable Frequency Drive (VFD)
• Number of starts per hour: Maximum 15
• Code compliance: IEC 60034-1
• Voltage variation without overheating: ±10%, if not run continuously at full load
• Voltage imbalance between phases: Maximum 2%
• Stator insulation class: F (155°C [311°F])
• Cables:
  • Direct-on-line start or Y/D start with two cables: Flygt SUBCAB® - heavy duty 4 cores motor power cable with two twisted pair screened control cores. Conductor insulation rating of 90°C. Chemical resistant within pH 3-10, ozone, oil, and flame resistant. Used up to 70°C water temperature. Cables < 10 mm² with unscreened control cores.
  • Y/D start: Flygt SUBCAB® - heavy duty 7 cores motor power cable with two twisted pair screened control cores. Conductor insulation rating of 90°C. Chemical resistant within pH 3-10, ozone, oil, and flame resistant. Used up to 70°C water temperature. Cables < 7G6 mm² with unscreened control cores.
• Monitoring equipment (Motor): Thermal contacts opening temperature: 18-15-2Z, 18-15-4Z at 140°C (284°C).
• Motor Ratings:
  • Star-delta starting current is 1/3 of Direct on-line starting current.
  • 460 V, 60 Hz, 3-phase (High Head): Rated power from 4.5 kW (6 hp) to 7.5 kW (10 hp). Rated current from 9.1 A to 13 A. Start current 68 A. Power factor from 0.72 to 0.82. Revolutions per minute (rpm) from 1735 to 1765.
  • 230 V, 60 Hz, 1-phase (High Head): Rated power from 4.5 kW (6 hp) to 5.6 kW (7.5 hp). Rated current from 28 A to 35 A. Start current 107 A. Power factor from 0.83 to 0.85. Revolutions per minute (rpm) from 1750 to 1765.
  • 460 V, 60 Hz, 3-phase (Medium Head): Rated power from 4.5 kW (6 hp) to 7.5 kW (10 hp). Rated current from 9.1 A to 13 A. Start current 68 A. Power factor from 0.72 to 0.82. Revolutions per minute (rpm) from 1735 to 1765.
  • 230 V, 60 Hz, 1-phase (Medium Head): Rated power from 4.5 kW (6 hp) to 5.6 kW (7.5 hp). Rated current from 28 A to 35 A. Start current 107 A. Power factor from 0.83 to 0.85. Revolutions per minute (rpm) from 1750 to 1765.
  • 460 V, 60 Hz, 3-phase (Super High Head): Rated power from 6.1 kW (8.2 hp) to 8.2 kW (11 hp). Rated current from 10 A to 13 A. Start current 110 A. Power factor from 0.86 to 0.9. Revolutions per minute (rpm) from 3500 to 3525.
  • 230 V, 60 Hz, 1-phase (Super High Head): Rated power from 6 kW (8 hp) to 7.1 kW (9.5 hp). Rated current from 36 A to 42 A. Start current 138 A. Power factor from 0.85 to 0.87. Revolutions per minute (rpm) from 3500 to 3515.
  • See the official PDF for exact tabulated values and performance curves.

Mechanical / hydraulic

• Major castings, Pump housing, Impeller: Cast iron, gray (ASTM 30B / EN GJL-200)
• Lifting eye bolt: Steel electro zinc coated (EN 10084 - C15E)
• Lifting handle: Stainless steel (AISI 304 / 1,4301)
• Shaft: Stainless steel (AISI 431 / 1.4057+QT800)
• Screws and nuts: Stainless steel, A2 (AISI 304 / 1.4301, 1.4306, 1.4307, 1.4311)
• O-rings: Nitrile rubber (NBR) 70° IRH
• Oil (part no 901752): Medical white oil of paraffin type, fulfills FDA 172.878 (a).
• Mechanical seals:
  • Inner seal: Carbon (CSb)/ Corrosion resistant cemented carbide (WCCR)
  • Outer seal: Corrosion resistant cemented carbide (WCCR)/ Corrosion resistant cemented carbide (WCCR)
• Surface treatment finish: Black or blue two-component high-solid top coating.
• Options: Leakage sensor in the stator housing (FLS).
• Accessories: Installation equipment, mechanical accessories (discharge connections, adapters, hose connections), and electrical accessories (pump controller, control panels, starters, monitoring relays, cables).

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

Official datasheet (PDF)

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