CMR

Summary

Product Identification

Ebara CMR Centrifugal Pumps (50Hz models, Rev. J)

Operating Limits

• Liquid Temperature: min. +5 °C, max. +90 °C
• Maximum Working Pressure: 0.6 MPa
• Rotation Speed: ≈ 2800 min⁻¹
• Minimum Flow Rate: Pumps should not be used at a flow rate below 10% of best efficiency point to avoid overheating.

Feed Water

• Type of Liquid Handled: Clean water
• Test Conditions: Clean water at 20°C with a kinematic viscosity of ν = 1 mm²/s (1 cSt).

Electrical

• Motor Type: Electric - TEFC
• Number of Poles: 2
• Insulation Class: F
• Protection Degree (CEI EN 60034-5): IP 44
• Frequency: 50 Hz
• Voltage:
  • Single Phase: 230 ±10% V
  • Three Phase: 230/400 ±10% V
• Capacitor: Built in (Single Phase), Not applicable (Three Phase)
• Overload Protection: Built in (Single Phase), Provided by the user (Three Phase)
• Power Rating:
  • 0.55 ÷ 0.75 kW
  • 0.75 ÷ 1 HP
• Efficiency Level (Reg. 640/2009):
  • • (for 0.55 kW models)
  • IE2 (for 0.75 kW models)
  • IE3 (for 0.75 kW models)
• Motor Casing Material: Aluminium
• Base Material / Motor Support: Cast iron / Plastic foot
• Cable Entry Dimensions: PG11 - M16x1.5
• Motor Data: For detailed efficiency, input power, and current values, see the official PDF.

Mechanical / Hydraulic

• Pump Type: Open centrifugal
• Shaft Seal Type: Mechanical seal
• Bearing Type: Sealed ball bearing
• Pipe Connection (UNI ISO 228):
  • Suction: G 1”½
  • Discharge: G 1”½
• Materials:
  • Casing: Cast iron
  • Impeller: Brass
  • Shaft Seal: Ceramic/Carbon/NBR
  • Shaft: AISI 303 (wet extension)
  • Bracket: Aluminium
  • Casing Cover: AISI 304
• Impeller Diameter:
  • CMR 0.75: 114 mm
  • CMR 1.00: 120 mm
• Mechanical Seal Components:
  • Rotary seal ring: Carbon graphite
  • Stationary seal ring: Ceramic
  • Gasket: NBR
  • Bellows: NBR
  • Ring: AISI 304
  • Self driving spring: AISI 304
  • Frame: AISI 304
  • Retainer ring: AISI 304
• Bearings:
  • CMR 0.75M (Single phase): Pump side 6202 2RSH
  • CMR 0.75T (Three phase): Pump side 6202 2RSH
  • CMR 1.00M (Single phase): Pump side 6202 2RSH, Fan side 6202-ZZ C3 (*)
  • CMR 1.00T (Three phase): Pump side 6202 2RSH, Fan side 6202-ZZ C3 (*)
  • (*) Only for IE3 Motors
• Applicable Standard of Test: ISO 9906:2012 - Grade 3B
• Noise Data: <70 dB(A) (Mean value of several measures at 1m distance around the pump, tolerance ± 2.5 dB).

Dimensions and Weight

• Pump Weight [kgf]:
  • CMR 0.75 (Single phase): 10.7
  • CMR 0.75 (Three phase): 10.7
  • CMR 1.00 (Single phase): 11.9
  • CMR 1.00 (Three phase, non-IE3): 12.7
  • CMR 1.00 (Three phase, IE3): 12.7
• Packing Dimensions [mm]:
  • X: 210
  • Y: 290
  • Z: 370
• Packing Weight [kgf]:
  • CMR 0.75M: 11.5
  • CMR 0.75T: 11.5
  • CMR 1.00M: 12.7
  • CMR 1.00T (non-IE3): 13.5
  • CMR 1.00T (IE3): 13.5
• For detailed pump dimensions, refer to the official PDF.

Performance Data

• Performance range and selection charts are available in the official PDF.
• Performance curves are provided for CMR 0.75 (0.55 kW) and CMR 1.00 (0.75 kW) models.
• Curves are qualified by ISO 9906:2012 - Grade 3B tolerances and refer to effective speed of asynchronous motors at 50 Hz, 2 poles.

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Disclaimer: This summary is based on extracted text and may miss figures, footnotes, or recent 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