Compact A /AM / B / BM

Summary

Product identification

The EBARA COMPACT series consists of multistage centrifugal pumps designed for 60 Hz operation. Models include COMPACT A, COMPACT AM, COMPACT B, and COMPACT BM.

Operating limits

• Liquid Temperature: min. +5 °C, max. +40 °C
• Maximum working pressure: 1 MPa
• Minimum Flow Rate: Pumps should not be used at a flow rate below 10% of the best efficiency point to avoid overheating.

Feed water

• Type of liquid: Clean water
• Temperature for performance curves: 20 °C
• Kinematic viscosity for performance curves: ν = 1 mm²/s (1 cSt)

Electrical

• Motor Type: Electric - TEFC (Totally Enclosed Fan Cooled)
• Number of Poles: 2
• Rotation speed: ≈ 3400 min⁻¹
• Insulation Class: F
• Protection degree: IP 44
• Power rating: 0.3 ÷ 1.1 kW (0.4 ÷ 1.5 HP)
• Frequency: 60 Hz
• Voltage:
  • Single Phase: 220 - 230 ±6% V
  • Three Phase (0.3 kW to 1.1 kW): 220/380 -6%+10% V
  • Three Phase (IE3 from 0.75 kW to 1.1 kW):* 220/380-460 ±10% V (* only for 460 V)
• Capacitor:
  • Single Phase: Built in
  • Three Phase: Not applicable
• Overload protection:
  • Single Phase: Built in
  • Three Phase: Provided by the user
• Efficiency level (Reg. 640/2009):
  • Not specified for 0.3 kW up to 0.6 kW
  • IE3* for 0.75 kW up to 1.1 kW (* only for 460 V)
• Cable entry dimensions: PG11 - M16x1.5 (refer to dimensions table on page 400 of the official PDF)
• Motor Data: Detailed tables for capacitor values, efficiency, input power, full load current, and locked rotor current for various models and voltages are available. See the official PDF for exact tabulated values.

Mechanical / hydraulic

• Pump Type: Multistage Centrifugal
• Impeller Type: Closed centrifugal
• Shaft seal type: Mechanical seal
• Bearing: Sealed ball bearing
• Pipe Connection:
  • Suction: G 1” (Compact A version), G 1”¼ (Compact B version) (UNI ISO 228)
  • Discharge: G 1” (All version) (UNI ISO 228)
• Materials:
  • Casing: Cast iron (EN-GJL-200-EN 1561 for suction/delivery casings)
  • Impeller: PPE+PS glass fibre reinforced
  • Shaft seal: Ceramic/Carbon/NBR
    • Up to 0.6 kW: Rotary seal ring (Carbon Graphite), Stationary seal ring (Ceramic), Gasket (NBR), Bellows (NBR), Self driving spring (AISI 304), Frame (AISI 304), Retainer ring (AISI 304)
    • 0.75 kW and above: Rotary seal ring (Ceramic), Stationary seal ring (Carbon Graphite), O Ring (NBR), Self driving spring (AISI 316), Frame (AISI 304)
  • External pump casing: AISI 304 (EN 1.4301)
  • Shaft: AISI 416 (EN 1.4005)
  • Stages: PPE+PS glass fibre reinforced/PTFE
  • Diffuser: PPE+PS glass fibre reinforced
  • Bracket: Cast iron
  • Motor casing material: Aluminium
  • Base material/motor support: Cast iron
  • Motor cover: Aluminium
  • Fan: PA6
  • Fan cover: Galvanized Fe P04
  • Terminal box cover: Aluminium (for three phase only)
  • Adjusting ring: Steel C70
  • Motor tie rod: Galvanized Fe 42
  • Priming plug: OT 58 UNI 5705 (G 1/8")
  • Drain plug: OT 58 UNI 5705 (G 1/8")
  • O-ring: NBR
  • Washers: Aluminium, EN 1.4301 (AISI 304)
  • Impeller nut: EN 1.4301 (AISI 304)
  • Seeger ring: EN 1.4021 (AISI 420)
  • Lip seal: NBR
  • Tie rod: Galvanized Fe P04
  • Capacitor box/cover: PP class V-0 (for single phase only)
  • Stage housing: PPE+PS fiber glass reinforced/PTFE
• Applicable standard of test: ISO 9906:2012 - Grade 3B
• Impeller diameter: 90 mm (COMPACT A models), 88 mm (COMPACT B models)
• Performance Range and Selection Chart: Detailed charts showing capacity (Q) in l/min and m³/h versus total manometric head (H) in meters for various pump types and power ratings are provided. See the official PDF for exact tabulated values and graphical representations.
• Performance Curves: Detailed performance curves for COMPACT A (up to 0.6 kW, 0.75 kW and above) and COMPACT B models are available. These curves refer to effective speed of asynchronous motors at 60 Hz, 2 poles, measured with clean water at 20 °C and kinematic viscosity of ν = 1 mm²/s (1 cSt). See the official PDF for exact curves.
• Quantity for Model: The number of impellers, diffusers, and stage housings varies by pump type. See the official PDF for exact tabulated values.
• Bearings: Specific ball bearing types (e.g., 6201 2RSH, 6203 2RSH, 6203-ZZ C3, 6202 2RSH, 6202-ZZ C3) are listed for pump side and fan side, varying by model and phase. See the official PDF for exact tabulated values.
• Dimensions and Weight: Detailed dimensions (A, A1, A2, B, C, D, E, H1, H2, M, N1, R, T, DNA) in mm and weights in kgf are provided for each pump model, distinguishing between single and three-phase versions. Packing dimensions (X, Y, Z) and weights are also listed. See the official PDF for exact tabulated values.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions present in the official OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used for the project.

Official datasheet (PDF)

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