BS 2250.011

Summary

Product identification

The Flygt 2250.011 is a submersible dewatering pump designed for tough operating conditions. It is suitable for dewatering building yards, draining flooded areas, and other similar applications where the liquid may contain high amounts of clay, stone chips, drilling fines, or heavy sediment.

• Product code: 2250.011
• Installation: S
• Impeller characteristics: MT, HT
• Discharge connection: 6”, 8”, 10”

Operating limits

• Liquid temperature: max +40° C
• Depth of immersion: max 20 m
• pH of the pumped liquid: pH 5 - 8
• Liquid density: max 1100 kg/m³
• Strainer hole size: 15 mm x 45 mm
• Voltage variation:
  • Continuously running: max ± 5%
  • Intermittent running: max ± 10%
• Voltage imbalance between phases: max 2%
• Number of starts/hour: max 15

Electrical

The pump features a squirrel cage 3-phase induction motor.

• Frequency: 60 Hz
• Insulation class: H (+180° C)
• Monitoring equipment: Thermal contacts
• Cable: SUBCAB® (supports Direct-on-line and Y/D start)
• Rated output: 65 kW
• Speed of rotation: 1770 rpm

Voltage and Current (60 Hz):

• 220 V: Rated current 216 A, Starting current 1130 A
• 380 V: Rated current 125 A, Starting current 650 A
• 600 V: Rated current 104 A, Starting current 535 A
• 575 V: Rated current 83 A, Starting current 405 A

Mechanical / hydraulic

• Weight (total, excl. cable): 540 kg

Materials:

• Outer casing: Aluminium
• Impeller: Alloyed white cast iron
• Wear parts: Nitrile rubber
• Stator housing: Aluminium
• Strainer: Steel
• Shaft: Stainless steel
• O-rings: Nitrile rubber
• Mechanical face seals:
  • Inner: Corrosion resistant cemented carbide
  • Outer: Corrosion resistant cemented carbide

Dimensions are indicated in the source document as ranges (858 – 1080 mm and 1010 – 1395 mm), but their specific reference (e.g., height, width) is not clearly defined in the extracted text. See the official PDF for exact tabulated values.

Options

• Polyurethane-lined wear parts (POLY-LIFE®)
• Discharge connector with coupling (6”)
• Various cable sizes
• Zinc anodes
• Tandem connection

Accessories

• Adapters, hose connections, and other mechanical accessories.
• Electrical accessories such as pump controller, control panels, starters, monitoring relays, and 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 on the project.

Official datasheet (PDF)

Lenntech datasheet mirror