GL, GLV Submersible

Summary

Product identification

• Series: GL-GLV Submersible Electric Pumps for Waste Waters
• Applications:
  • Circulation of sewage water containing suspended solids.
  • Emptying of domestic waste water tanks, dirty water from cesspools and sewage water in general.
  • Drainage of excavations and marshy grounds.
• Key Features:
  • Manufactured in cast iron with shaft and impeller in 304 stainless steel.
  • Motor stator installed with non-toxic, dielectric oil for ball bearing lubrication and improved cooling.
  • Volute pump casing.
  • Mechanical seal protected by sand-proof labyrinth.
  • Single-channel or vortex impeller, with a cross-section Ø 50 mm.

Operating limits

• Maximum depth of immersion: 5 meters
• Maximum liquid temperature:
  • 50°C with pump wholly submersed.
  • 30°C with pump partially submersed.
• Motor: Class F, IP68.
• Performance Basis: Valid for liquids with density ρ = 1.0 kg/dm³ and kinematic viscosity γ = 1 mm²/sec.

Electrical

• Motor Speed: 2900 rpm (rated), 2850 rpm (working features).
• Power Supply Versions:
  • Single-phase: 220-230 V, 50 Hz (includes starting panel).
  • Three-phase: 220-240 V, 50 Hz or 380-415 V, 50 Hz.
• Electrical Data (Examples):
  • GLVM 55 (VORTEX): 1.5 kW (HP 1.1), Absorbed Power 1.7 kW, Current 8.3 A (220-240 V single-phase), 5.6 A (220-240 V three-phase), 3.2 A (380-415 V three-phase). Capacitor 30 µF, 450 V.
  • GLV 56 (VORTEX): 2 kW (HP 1.5), Absorbed Power 2.2 kW, Current 6.6 A (220-240 V three-phase), 3.8 A (380-415 V three-phase).
  • Note: See the official PDF for exact tabulated values for all models.

Mechanical / hydraulic

• Construction Materials:
  • Pump casing: CAST IRON* 200 UNI ISO 185 (*Cast iron with polybutadiene surface treatment for electrophoresis at 180°C)
  • Impeller: CrNi STEEL (AISI 304)
  • Suction flange: CrNi STEEL (AISI 304)
  • Support foot: CrNi STEEL (AISI 304)
  • O-Ring: NITRILE RUBBER
  • Mechanical seal: CARBON/CERAMIC/NITRILE RUBBER
  • Shaft extension: CrNi STEEL (AISI 304)
  • Motor casing: CAST IRON* 200 UNI ISO 185
• Impeller Type: Single-channel or vortex, cross-section Ø 50 mm.
• Performance Data (Examples at 2850 rpm):
  • GLVM 55 / GLV 55 (VORTEX): Capacity (Q) ranges from 100 l/min (6 m³/h) at 18.5 m Head to 700 l/min (42 m³/h) at 5.5 m Head.
  • GLM 55 / GL 55 (CHANNEL): Capacity (Q) ranges from 100 l/min (6 m³/h) at 14.5 m Head to 700 l/min (42 m³/h) at 5 m Head.
  • Note: See the official PDF for exact tabulated values across the full range of capacities and heads for all models.
• Weights:
  • GL 55 - GLV 55: 27 kg
  • GL 56 - GLV 56: 30 kg
  • GLM 55: 28 kg
  • GLVM 55: 27 kg

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Disclaimer: This summary is based solely on the provided text extract. It may not include all figures, footnotes, or the latest revisions present in the complete OEM PDF datasheet. For contractual purposes, all data must be verified against the specific OEM PDF revision used for the project.

Official datasheet (PDF)

Lenntech datasheet mirror