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Datasheet summary

BS 2720.390 (SS)

PDF datasheet mirror for BS 2720.390 (SS) (Flygt Pumps). Verify with OEM before design.

Summary

Product identification

  • Model: Flygt BS 2720
  • Type: Corrosion resistant drainage pump
  • Product code: 2720.390
  • Installation: S
  • Discharge connection: 3’’
  • Impeller characteristics: MT
  • Frequency: 50 Hz
  • Rated output: 2.0 kW
  • Speed of rotation: 2 680 rpm

Operating limits

  • Liquid temperature: max +40 °C
  • Depth of immersion: max 20 m
  • Liquid density: max 1100 kg/m³
  • pH of the pumped liquid: pH 2–10
  • Motor data:
    • Voltage variation (continuously running): max ± 5%
    • Voltage variation (intermittent running): max ± 10%
    • Voltage imbalance between phases: max 2%
    • Number of starts/hour: max 15
    • Thermal contacts opening temperature: +130 °C

Feed water

  • pH range: 2–10
  • Liquid density: max 1100 kg/m³
  • Liquid temperature: max +40 °C
  • Strainer hole size: 25 mm × 7 mm

Electrical

  • Frequency: 50 Hz
  • Insulation class: F (+155 °C)
  • Cables: SUBCAB® 4G1.5+2×1.5, 4G2.5+2×1.5
  • Rating: 3~
  • Rated output: 2.0 kW
  • Speed of rotation: 2 680 rpm
  • Electrical ratings:
Voltage (V)Rated current (A)Starting current (A)
220 D7.837
230 D7.739
380 Y4.521
400 Y4.422
415 Y4.523
500 Y3.414
550 Y3.216

Mechanical / hydraulic

  • Discharge connection: 3’’
  • Depth of immersion: max 20 m
  • Strainer hole size: 25 mm × 7 mm
  • Dimensions:
    • Height: 600 mm
    • Width: 235 mm
  • Weight (excl. cable): 44 kg
  • Materials:
    • Impeller: Stainless steel
    • Wear parts: Nitrile rubber
    • Stator housing: Stainless steel
    • Strainer: Stainless steel
    • Shaft: Stainless steel
    • O-rings: Fluorinated rubber
    • Mechanical face seals:
      • Inner: Carbon/Silicon carbide
      • Outer: Silicon carbide/Silicon carbide
    • Surface treatment: No surface treatment
  • Key features:
    • Uniform design – Facilitates easy service and reduces inventory
    • Slim design – Fits into confined spaces
    • Turnable outlet
    • Convenient handle – Easy to grip and maneuver
    • Removable junction box cover – Easy to access electrical components
    • Corrosion and impact resistant outer casing
    • Double mechanical shaft seal – The same seal fits all pumps in the range; Double protection, easy to service
    • Specially designed stainless steel impeller – Corrosion and wear resistant
    • Adjustable diffusers for optimum performance

Options and Accessories

  • Starters
  • Adapters, hose connections, and other mechanical accessories
  • Electrical accessories such as pump controller, control panels, monitoring relays, cables

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 for the project.

Official datasheet (PDF)

Lenntech datasheet mirror

Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.