SF6

Summary

Product Identification

The EBARA SF6 series consists of 50 Hz, 2-pole submersible multistage pumps. The document revision is F.

Operating Limits

Pump

• Liquid Handled: Clean water
• Temperature: max. +30 °C
• Max sand content: 50 parts per million
• Chlorine ion density: 500 parts per million
• Minimum Flow Rate: Pumps should not be used at a flow rate below 10% of the best efficiency point to avoid overheating.
• Test Standard: ISO 9906 – Annex A

Motor

• Maximum Immersion:
  • 4" Motor: 100 m
  • 6" Motor: 350 m
• Starts / Hour:
  • 4" Motor: 25
  • 6" Motor: 20
• Frequency: 50 Hz
• Overload Protection: To be provided by the user.

Feed Water

• Type of liquid: Clean water
• Temperature: max. +30 °C
• Max sand content: 50 parts per million
• Chlorine ion density: 500 parts per million

Electrical

Motor Specifications

• Type: Submersible oil filled (type O) or Submersible water filled (type W)
• Size: 4" or 6"
• No. of Poles: 2
• Rotation Speed: Refer to each characteristic performance curve as rated speed (approx. 2850 min⁻¹).
• Insulation Class:
  • Oil filled: F (4"), B (6")
  • Water filled: F (4" and 6")
• Protection Degree:
  • Oil filled: IP 58 (4"), IP 68 (6")
  • Water filled: IP 58 (4"), IP 68 (6")
• Power Rating:
  • 4" Motor: 2.2 ÷ 5.5 kW (3.0 ÷ 7.5 HP)
  • 6" Motor: 7.5 ÷ 30 kW (10 ÷ 40 HP)
• Voltage:
  • Oil filled: 380-400 V ±10%
  • Water filled: 380-415 V -10% +6%
• Start Type: Direct on line

Detailed Electrical Data

Detailed input power, current (IN, IA), and power factor tables for both oil-filled and water-filled motors at various voltages (380V, 400V, 415V) are available in the official PDF.

Cable Selection

Tables providing maximum cable lengths for various cable types (e.g., 4x1 mm², 4x1.5 mm², up to 4x35 mm²) for different motor power ratings (kW/HP) are included in the official PDF. These lengths are calculated for a voltage drop of 3% at 30 °C ambient temperature. A formula is provided to calculate permissible maximum length for different operating voltages.

Mechanical / Hydraulic

Pump Construction

• Impeller Type: Close centrifugal type
• Bearing Type: Sleeve type – PA/Rubber
• Pipe Connection:
  • Suction: n/a
  • Discharge: G3” (for S25-S32-S42 models) UNI ISO 228

Materials

• Casing: PPE+PS glass fibre reinforced
• Impeller: PPE+PS glass fibre reinforced
• Suction: AISI 304 (EN 1.4301)
• Discharge: AISI 304 (EN 1.4301)
• Wear Ring: AISI 304 (EN 1.4301)
• Shaft: AISI 420 (EN 1.4021)
• Valve: AISI 304 (EN 1.4301)
• Strain: AISI 304 (EN 1.4301)
• Motor Casing Material: AISI 304 (EN 1.4301)
• Motor Support:
  • 4" Oil filled: Brass
  • 6" Oil filled: Cast iron with nickel plate
  • 4" Water filled: AISI 304 (EN 1.4301)
  • 6" Water filled: Cast iron with epoxy painted
• Flange Mount: NEMA

A detailed sectional view table listing materials for numerous components (e.g., suction casing, diffusers, bearings, sleeves, O-rings, strainers) is available in the official PDF.

Dimensions and Weight

Detailed tables providing dimensions (H1, H2, H, A in mm) and weights (kgf) for various pump types (R10, R13, S25, S32, S42) combined with 4" and 6" oil-filled and water-filled motors are available in the official PDF.

Performance Data

Performance curves are provided for SF6 R10, SF6 R13, SF6 S25, SF6 S32, and SF6 S42 models.

• Rotation Speed: Approximately 2850 min⁻¹
• Test Standard: ISO 9906 – Annex A
• Measurement Conditions: Clean water at 20 °C with a kinematic viscosity of 1 mm²/s (1 cSt).
• Impeller Diameters:
  • SF6 R10: 118 mm
  • SF6 R13: 117 mm
  • SF6 S25: 111.5 mm
  • SF6 S32: 113.7 mm
  • SF6 S42: 114 mm
• Minimum Efficiency Index (MEI): > 0.60 for SF6 R10 and SF6 R13.
• Market Availability: SF6 S25, SF6 S32, and SF6 S42 models are explicitly stated as "PRODUCT NOT AVAILABLE FOR THE EUROPEAN MARKET".

A comprehensive selection chart detailing capacity (l/min, m³/h) and total manometric head (meters) for various pump types and motor sizes is available in the official PDF.

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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 complete OEM PDF datasheet. Contractual data for any project must always match the specific OEM PDF revision used for that project.

Official datasheet (PDF)

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