SB

Summary

Product identification

• Product Line: SUBMERSIBLE MULTISTAGE PUMPS
• Model Series: SB 3
• Manufacturer: EBARA PUMPS EUROPE S.p.A.
• Frequency: 50Hz
• Type Key:
  • SB: Model
  • 3: 3" dimension of deep wells
  • XX: Number of impellers (e.g., SB 3-23 has 23 impellers)
  • /M: Single phase only
  • Power codes (e.g., 0.37, 0.55, 0.75, 1.1 kW)

Operating limits

• Liquid Temperature: Maximum 30 °C
• Sand Content: Maximum 50 parts per million
• Chlorine Ion Density: Maximum 500 parts per million
• Maximum Immersion: Refer to each characteristic performance curve in the official PDF.
• Starts per Hour:
  • Single phase: 60
  • Three phase: 30
• Rated Speed: ≈ 2800 min⁻¹

Feed water

• Type of Liquid: Clean water
• Kinematic Viscosity (for performance curves): 1 mm²/s (1 cSt) at 20 °C

Electrical

• Frequency: 50 Hz
• Voltage:
  • Single phase: 230 ± 6-10% V
  • Three phase: 400 ± 6-10% V
• Power Rating:
  • Single phase: 0.37–0.75 kW (0.5–1 HP)
  • Three phase: 0.37–1.1 kW (0.5–1.5 HP)
• Insulation Class: F
• Protection Degree: IP 58
• Start Type: Direct on line
• Capacitor for Start and Run:
  • Single phase: Fitted in starter box
  • Three phase: Provided by the user
• Overload Protection:
  • Single phase: Fitted in starter box
  • Three phase: Not specified ("-")
• Motor Type: Submersible oil filled (type O) 3"
• Motor Manufacturer: Sumoto
• Sealing Liquid (Oil Type): Marcol 82 (Esso)
• Power Cable: EPDM/Cross Seald Polyethylene, 4x1.5 mm², L=1.75 m
• Motor Data: See the official PDF for exact tabulated values of input power, nominal current (Iₙ), power factor, starting current (Iₐ), and high thrust for various motor powers.
• Cable Selection: See the official PDF for exact tabulated maximum cable lengths for different cable types (e.g., 4x1, 4x1.5, 4x2.5, 4x4, 4x6 mm²) at 3% voltage drop and 30 °C ambient temperature.

Mechanical / hydraulic

• Construction Type: Closed centrifugal type
• No. of Poles: 2
• Pipe Connection: G1" - UNI ISO 228 (Suction and Discharge)
• Applicable Standard of Test: ISO 9906 - Annex A
• Materials:
  • General Bearing: Sleeve type - Stainless steel / rubber
  • Specific Bearings: PUR Polyurethane, EN 1.4401 (AISI 316)
  • Impeller: PPO mod. glass + fibre reinforced
  • Valve: POM Polyacetals
  • Shaft: EN 1.4105 (AISI 430 F)
  • Pump Casing / Discharge Casing / Suction Casing: EN 1.4301 (AISI 304)
  • Diffuser / Diffuser Plate: POM Polyacetals
  • Intermediate Casing: PPO mod. glass + fibre reinforced
  • Strainer: EN 1.4016 (AISI 430 2B)
  • Motor Bracket: Cast iron with nickel plate
  • Plug: PVC
  • O-Ring: NBR
  • Valve Seat / Bearing Seat / Spacer: PPO mod. + G.F.
  • Screws / Adjusting Ring: EN 1.4301 (AISI 304)
  • Washers / Coupling / Sleeve: EN 1.4401 (AISI 316)
  • Cable Cover: EN 1.4016 (AISI 430)
• Dimensions and Weight: See the official PDF for exact tabulated values of dimensions (H, H1, H2) and weights for various pump types (SB 3-15, SB 3-23, SB 3-30, SB 3-45) with and without motor, for single and three phase configurations.

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Disclaimer: This summary is based on extracted text and may miss figures, footnotes, or revisions present in the complete OEM PDF. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror