1305

Summary

This document summarizes technical specifications for the 1305, 50Hz series of submersible pumps, covering both Vortex and Non-clog hydraulic designs.

1305, 50Hz Vortex Pumps

Product Identification

• Usage: Submersible pump with vortex hydraulic, suitable for liquids containing solids and abrasive media, or light wastewater.
• Type: Vortex
• Versions:
  • Non-explosion proof: 1305.180
  • Explosion proof: 1305.090
• Model Variant: H – High head
• Installation Types:
  • Free-standing: Portable semipermanent, wet well arrangement with hose coupling or flange for discharge pipeline connection.
  • 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: 50 Hz
• Power supply: 1-phase or 3-phase
• Starting method: Direct on-line, Variable Frequency Drive (VFD)
• Number of starts per hour: Maximum 15
• Code compliance: IEC 60034-1
• Voltage variation without overheating: ±10%, if not running continuously at full load
• Voltage imbalance between phases: Maximum 2%
• Stator insulation class: F (155°C [311°F])
• Cables:
  • Flygt SUBCAB® heavy-duty motor power cables.
  • Direct-on-line start or Y/D start with two cables: 4 cores motor power cable with two twisted pair screened control cores. Cables < 10 mm² have unscreened control cores.
  • Y/D start: 7 cores motor power cable with two twisted pair screened control cores. Cables < 7G6 mm² have unscreened control cores.
  • Conductor insulation rating: 90°C.
  • Chemical resistant within pH 3-10, ozone, oil, and flame resistant.
  • Used up to 70°C water temperature.
• Monitoring equipment: Motor thermal contacts opening temperature 125°C (257°F).
• Motor Rating Examples (50 Hz):
  • 400 V, 3-phase:
    • 1.2 kW (1.6 hp): 2785 rpm, 2.8 A rated, 17 A start, 0.79 cos φ.
    • 0.75 kW (1 hp): 2875 rpm, 2.2 A rated, 17 A start, 0.63 cos φ.
  • 230 V, 1-phase:
    • 0.75 kW (1 hp): 2825 rpm, 4.2 A rated, 19 A start, 1 cos φ.
  • Star-delta starting current is 1/3 of Direct on-line starting current.
  • See the official PDF for exact tabulated values and performance curves.

Mechanical / Hydraulic

• Major Materials:
  • Major castings, Pump housing: Cast iron, gray (ASTM 30B / EN GJL-200)
  • Impeller, alternative 1: Cast iron, gray (ASTM 35B / EN GJL-250)
  • Impeller, alternative 2: Cast iron, gray (ASTM 30B / EN GJL-200)
  • Lifting handle: Stainless steel (AISI 304 / EN 1.4301)
  • Shaft: Stainless steel (AISI 431 / EN 1.4057+QT800)
  • Screws and nuts: Stainless steel, A2 (AISI 304 / EN 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)/ Aluminum oxide (Al₂O₃)
  • Outer seal: Silicon carbide (RSiC)/ Silicon carbide (RSiC)
• Surface treatment: Black or blue two-component high-solid top coating.
• Options: Leakage sensor in the stator housing (FLS).
• Accessories: Installation equipment (sold in kits), mechanical accessories (discharge connections, adapters, hose connections), electrical accessories (pump controller, control panels, starters, monitoring relays, cables).

1305, 50Hz Non-clog Pumps

Product Identification

• Usage: Submersible pump for efficient pumping of clean water, surface water, and wastewater containing solids. Designed for sustained efficiency.
• Type: Non-clog
• Versions:
  • Non-explosion proof: 1305.180
  • Explosion proof: 1305.090
• Model Variant: S – Super high head
• Installation Types:
  • Free-standing: Portable semipermanent, wet well arrangement with hose coupling or flange for discharge pipeline connection.
  • 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: 50 Hz
• Power supply: 1-phase or 3-phase
• Starting method: Direct on-line, Variable Frequency Drive (VFD)
• Number of starts per hour: Maximum 15
• Code compliance: IEC 60034-1
• Voltage variation without overheating: ±10%, if not running continuously at full load
• Voltage imbalance between phases: Maximum 2%
• Stator insulation class: F (155°C [311°F])
• Cables:
  • Flygt SUBCAB® heavy-duty motor power cables.
  • Direct-on-line start or Y/D start with two cables: 4 cores motor power cable with two twisted pair screened control cores. Cables < 10 mm² have unscreened control cores.
  • Y/D start: 7 cores motor power cable with two twisted pair screened control cores. Cables < 7G6 mm² have unscreened control cores.
  • Conductor insulation rating: 90°C.
  • Chemical resistant within pH 3-10, ozone, oil, and flame resistant.
  • Used up to 70°C water temperature.
• Monitoring equipment: Motor thermal contacts opening temperature 125°C (257°F).
• Motor Rating Examples (50 Hz):
  • 400 V, 3-phase:
    • 1.2 kW (1.6 hp): 2785 rpm, 2.8 A rated, 17 A start, 0.79 cos φ.
    • 0.75 kW (1 hp): 2875 rpm, 2.2 A rated, 17 A start, 0.63 cos φ.
  • 230 V, 1-phase:
    • 0.75 kW (1 hp): 2825 rpm, 4.2 A rated, 19 A start, 1 cos φ.
  • Star-delta starting current is 1/3 of Direct on-line starting current.
  • See the official PDF for exact tabulated values and performance curves.

Mechanical / Hydraulic

• Major Materials:
  • Major castings, Pump housing, Impeller: Cast iron, gray (ASTM 30B / EN GJL-200)
  • Lifting handle: Stainless steel (AISI 304 / EN 1.4301)
  • Shaft: Stainless steel (AISI 431 / EN 1.4057+QT800)
  • Screws and nuts: Stainless steel, A2 (AISI 304 / EN 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)/ Aluminum oxide (Al₂O₃)
  • Outer seal: Silicon carbide (RSiC)/ Silicon carbide (RSiC)
• Surface treatment: Black or blue two-component high-solid top coating.
• Options: Leakage sensor in the stator housing (FLS).
• Accessories: Installation equipment (sold in kits), mechanical accessories (discharge connections, adapters, hose connections), electrical accessories (pump controller, control panels, starters, monitoring relays, cables).

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Disclaimer: This summary is based on extracted text and may miss figures, footnotes, or the full context of the original PDF. Contractual data must always match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror