3D4 / 3DS4

Summary

Product identification

EBARA 3D Series 4-Pole Centrifugal Pumps, 50Hz. Available models include 3D4, 3DS4, and 3DP4.

Operating limits

• Liquid Handled: Clean water
• Working Temperature:
  • Standard version, Q1AEGG, U3U3EGG, Q1U3EGG, U3CEGG, Q1Q1EGG: -5 to +90 °C
  • H, HS, HW, HSW version: +110 °C
  • E version: +120 °C
• Maximum Working Pressure: 1 MPa

Feed water

• Type of liquid: Clean water
• Test Conditions for Performance Curves:
  • Temperature: 20 °C
  • Kinematic viscosity: ν = 1 mm²/s (1 cSt)

Mechanical / hydraulic

• Construction:
  • Impeller:
    • Closed centrifugal type for 32, 40, 50 series
    • Reinforced laser welding for 40-200/1.5, 50-200/2.2
    • Closed centrifugal three-dimensional blades for 65 series
  • Shaft Seal Type: Mechanical seal
  • Bearing: Bearing with contact seal
• Pipe Connection:
  • Suction: Flange DN 50, 65 according to EN 1092-2; Flange DN 80 according to UNI 2236-67 (4 holes)
  • Discharge: Flange DN 32, 40, 50, 65 according to EN 1092-2
• Material:
  • Casing: Cast iron EN-GJL-250-EN 1561
  • Impeller:
    • EN 1.4301 (AISI 304) for 32, 40, 50 series
    • EN 1.4401 (AISI 316) made by precision casting for 65 series
  • Shaft Seal: Ceramic/Carbon/NBR (other options available, see PDF page 306)
  • Shaft / Coupling: EN 1.4301 (AISI 304) (wet extension)
  • Bracket: Aluminium/Cast iron
• Accessory: Counterflange (DN 32, 40, 50, 65, 80) available on request.
• Applicable Standard of Test: ISO 9906:2012 - Grade 3B

Electrical

• Motor Type: Electric - TEFC, Three Phase
• Number of Poles: 4
• Rotation Speed: ≈1400 min⁻¹
• Insulation Class: F (class B for temperature rise)
• Protection Degree: IP 55
• Power Rating: 0.25 ÷ 3 kW (0.33 ÷ 4 HP)
• Frequency: 50 Hz
• Voltage: 230/400 ±10%
• Overload Protection: Provided by the user
• Casing Material: Aluminium
• Motor Support: Cast Iron - Aluminium
• Dimensions of Cable Entry: PG11, PG13.5, PG16; M10x15, M20x1.5, M25x1.5
• Flange Mount (IEC motor):
  • 3D4: Not specified
  • 3DS4: IM B5 (up to 1.5 kW), IM B35 (2.2 kW and above)
  • 3DP4: IM B3
• Efficiency (Reg. 640/2009):
  • For 3D4 models, IE3 efficiency is specified for motors from 0.75 kW to 3 kW.
  • For 3DS4-3DP4 models, both IE2 and IE3 efficiencies are specified for motors from 0.75 kW to 3 kW, varying by specific model.
  • For motors from 0.25 kW up to 0.55 kW, no specific IE class is listed.
  • See the official PDF for detailed efficiency percentages and power factors for each model.

Performance range

The document includes detailed performance range charts (flow rate vs. head) and individual performance curves for various pump models (e.g., 32-125, 32-160, 32-200, 40-125, 40-160, 40-200, 50-125, 50-160, 50-200, 65-125, 65-160, 65-200). These curves indicate the recommended working range and provide information on pump power input (P2), pump efficiency (η), and net positive suction head required (NPSH). Minimum Efficiency Index (MEI) values are also provided for individual pump models, ranging from > 0.40 to > 0.70.

See the official PDF for exact tabulated values and performance curves.

Construction details

Sectional view drawings and tables are provided for 3D4, 3DS4, and 3DP4 models, detailing components such as casing, impeller, shaft, mechanical seals, and bearings. Specific mechanical seal materials (e.g., Carbon/Ceramic/NBR, SiC/SiC/FPM, Tungsten Carbide/Tungsten Carbide/FPM) are listed for standard, H, E, HS, HW, HSW, and special versions. Bearing types (e.g., 6202-2RSH, 6205-2RSH C3, 6206-2Z C3) are specified for pump and fan sides across various models. Coupling dimensions are also provided.

See the official PDF for detailed sectional views, material breakdowns, bearing specifications, and coupling dimensions.

Dimensions and Weight

Detailed pump dimensions (DN1, P1, K1, D1, S1, DN2, P2, K2, D2, S2, H, H1, H2, H3, R, W, M, N1, N2, T, E, A, A1, A2, B, C, V2) and weights are provided for 3D4, 3DS4, and 3DP4 models. Packing dimensions (Z, X, Y) and weights are also listed.

See the official PDF for exact tabulated dimensions and weights.

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Disclaimer: This summary is based solely on the provided text extract and may not include all figures, footnotes, or the latest revisions from the complete OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror