CO

Summary

Product Identification (CO Series)

• Series Name: CO-SHO Series (Centrifugal Pumps with Open Impeller)
• Document Revision: Rev.C Ed.06/2012
• Pump Type: Open impeller centrifugal electric pumps with threaded connections.
• Identification Code Example: COM 350/156K
  • CO: Series name
  • M: Single-phase version (NULL for three-phase)
  • 350: Flow rate in l/min
  • 15: Rated motor power in kW x 10 (e.g., 1.5 kW)
  • 6: 60 Hz version (NULL for 50 Hz)
  • K: Silicon Carbide / Tungsten Carbide seal (NULL for Alumina / Graphite seal)

Operating Limits (CO Series)

• Delivery: Up to 900 l/min (54 m³/h)
• Head: Up to 24 m
• Temperature of Pumped Liquid: -10°C to +110°C (standard version)
• Maximum Working Pressure: 8 bar (PN 8)
• Suspended Solids Handled:
  • CO350: 11 mm
  • CO500: 20 mm
• Maximum Ambient Temperature (Motor): 40°C
• NPSH Values: Laboratory values; for practical use, increase by 0.5 m.
• Liquid Properties: Valid for liquids with density ρ = 1.0 Kg/dm³ and kinematic viscosity ν = 1 mm²/sec.

Mechanical / Hydraulic (CO Series)

• Pump Type: Close-coupled, single-impeller centrifugal pump with axial suction and radial delivery.
• Ports: Threaded suction and delivery ports (Rp ISO 7).
• Construction: Compact, impeller keyed directly to motor shaft extension. Back pull-out design.
• Impeller: AISI 316L stainless steel open impeller with four pressed vanes welded onto base disk.
• Wear Surface: Impeller’s front wear surface consists of an AISI 316L stainless steel plate welded onto the suction port.
• Pump Body & Seal Housing: AISI 316L stainless steel, with no diffusers or cavities for easier cleaning and maintenance.
• Discharge Head: Pump body tightened by 8 screws allowing rotation of the discharge head.
• Mechanical Seal:
  • Standard Version: Carbon/Ceramica faces, FPM elastomers. Other parts made of AISI 316L stainless steel.
  • “K” Version: Silicon Carbide and Tungsten Carbide faces, FPM elastomers. Other parts made of AISI 316L stainless steel.
• O-Rings: FPM
• Materials in Contact with Pumped Liquid: All components are made of AISI 316L stainless steel.
• Optional Features: Different materials for the mechanical seal and O-rings.

Electrical (CO Series)

• Motor Type: Asynchronous, squirrel cage rotor, enclosed construction in aluminium casing, external ventilation.
• Protection: IP55
• Insulation Class: 155 (F)
• Performance Standards: According to EN 60034-1.
• Motor Efficiency: Standard supplied IE2/IE3 three-phase surface motors ≥ 0.75 kW are compliant with Regulation (EC) no. 640/2009 and IEC 60034-30.
• Condensate Drain: Condensate drain plugs on all motors.
• Standard Voltage (50 Hz, 2 poles):
  • Single-phase: 220-240 V 50 Hz. Built-in automatic reset overload protection up to 1.5 kW. For higher powers, user-provided protection is required.
  • Three-phase: 220-240/380-415 V 50 Hz. Overload protection to be provided by the user.
• Other Available Voltages (Optional):
  • Single-phase 60 Hz: 1 x 100 V, 1 x 110-120 V, 1 x 220-230 V, 1 x 100 V, 1 x 110-115 V, 1 x 120-127 V, 1 x 200-210 V
  • Three-phase 50/60 Hz: 3 x 200-208/346-360 V, 3 x 255-265/440-460 V, 3 x 290-300/500-525 V, 3 x 440-460/- V, 3 x 500-525/- V
  • Three-phase 50 Hz: 3 x 220-230/380-400 V, 3 x 255-265-277/440-460-480 V, 3 x 380-400/660-690 V, 3 x 440-460-480/- V, 3 x 110-115/190-200 V, 3 x 200-208/346-360 V, 3 x 330-346/575-600 V, 3 x 575/- V, 3 x 230/400 V, 3 x 400/690 V
  • Three-phase 60 Hz: 3 x 265/460 V, 3 x 460/- V

Materials (CO Series)

• Pump Body: Stainless steel EN 10088-1-X2CrNiMo17-12-2 (1.4404) / AISI 316L
• Impeller: Stainless steel EN 10088-1-X2CrNiMo17-12-2 (1.4404) / AISI 316L
• Seal Housing: Stainless steel EN 10088-1-X2CrNiMo17-12-2 (1.4404) / AISI 316L
• Shaft Extension: Stainless steel EN 10088-1-X2CrNiMo17-12-2 (1.4404) / AISI 316L
• Impeller Locknut and Washer: Stainless steel EN 10088-1-X5CrNiMo17-12-2 (1.4401) / AISI 316
• Fill/Drain Plugs: Stainless steel EN 10088-1-X5CrNiMo17-12-2 (1.4401) / AISI 316
• Mechanical Seal (Standard): Ceramic / resin impregnated Carbon / FPM
• Elastomers (Standard): FPM
• Adapter: Aluminium EN 1706-AC-AlSi11Cu2(Fe)DF / ASTM Class 25
• Pump Body Fastening Bolts & Screws: Galvanized steel

Hydraulic Performance (CO Series)

Hydraulic performance ranges at 50 Hz, 2 poles are provided in detailed tables showing delivery (l/min, m³/h), total head (m), and rated power (kW, HP) for various models. See the official PDF for exact tabulated values.

Dimensions and Weights (CO Series)

Dimensions (mm) and weights (kg) are provided for various CO series pump types. For example, weights range from 10 kg (COM 350/03/A) to 25 kg (CO 500/30/P). See the official PDF for exact tabulated values.

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Product Identification (CEF-COF Series)

• Series Name: CEF-COF Series (Bare Shaft Centrifugal Pumps)
  • CEF series: Closed impeller
  • COF series: Open impeller
• Identification Code (Pump) Example:
  • CEF 70/132: CEF pump series, 70 l/min flow rate, 132 impeller reference.
  • COF 350/91K: COF pump series, 350 l/min flow rate, 91 impeller reference, Silicon Carbide / Tungsten Carbide seal.
• Identification Code (Electric Pump) Example:
  • CEF 70/03: CEF electric pump series, 70 l/min flow rate, 0.37 kW rated motor power, 50 Hz version.
  • COF 350/156K: COF electric pump series, 350 l/min flow rate, 1.5 kW rated motor power, 60 Hz version, Silicon Carbide / Tungsten Carbide seal.

Operating Limits (CEF-COF Series)

• Temperature of Pumped Liquid: -10°C to +110°C (standard version)
• Maximum Operating Pressure: 8 bar (PN 8)
• Rotation: Counterclockwise rotation facing the pump from the suction port.
• CEF Series (at 2900 rpm):
  • Delivery: Up to 500 l/min (30 m³/h)
  • Head: Up to 29 m
• COF Series (at 2900 rpm):
  • Delivery: Up to 900 l/min (54 m³/h)
  • Head: Up to 24.5 m
• Suspended Solids Handled (Open Impeller COF Version):
  • COF350: Up to 11 mm
  • COF500: Up to 20 mm
• NPSH Values: Laboratory values; for practical use, increase by 0.5 m.
• Liquid Properties: Valid for liquids with density ρ = 1.0 Kg/dm³ and kinematic viscosity ν = 1 mm²/sec.

Mechanical / Hydraulic (CEF-COF Series)

• Pump Type: Close-coupled, single-impeller centrifugal pump featuring axial intake and radial discharge.
• Coupling: Pump coupled by adapter to the bare shaft support; special shaft extension in common with pump are supported by ball bearing.
• Design: Back pull-out design.
• Ports: Threaded suction and delivery ports (Rp ISO 7).
• Impeller:
  • CEF series: High performance closed impeller made of AISI 316 stainless steel.
  • COF series: High performance open impeller made of AISI 316 stainless steel.
• Mechanical Seal:
  • CEF Series: Ceramic/Carbon faces, FPM elastomers, other parts made of AISI 316 stainless steel.
  • COF Series: Ceramic/Carbon faces (Silicon Carbide and Tungsten Carbide in the “K” version), FPM elastomers, other parts made of AISI 316 stainless steel.
• O-Rings: FPM
• Materials in Contact with Pumped Liquid: In the standard version, all parts are made of AISI 316 stainless steel.
• Support: Sturdy support with permanently lubricated bearings.
• Couplings: Flexible couplings available for connection to motor shaft of various sizes.
• Optional Features: Different materials for the mechanical seal and O-rings; electric pump unit (pump, motor, coupling, base).

Electrical (CEF-COF Series)

• Motor Type: Enclosed short circuit squirrel cage motor (TEFC), with external ventilation.
• Motor Efficiency: Standard supplied IE2/IE3 three-phase surface motors ≥ 0.75 kW are compliant with Regulation (EC) no. 640/2009 and IEC 60034-30.
• Performance Standards: Electrical performances according to EN 60034-1.
• Insulation Class: 155 (F)
• Protection: IP55
• Condensate Drain: Condensate drain plugs on standard version.
• Cooling: By fan according to EN 60034-6.
• Cable Gland: Metric size according to EN 50262.
• Standard Voltage (Three-phase):
  • 220-240/380-415 V 50 Hz for powers up to 3 kW.
  • 380-415/660-690 V 50 Hz for powers above 3 kW.
  • Overload protection to be provided by the user.
• Motor Noise: Mean sound pressure levels (LpA) <70 dB measured at 1 meter’s distance in a free field according to the A curve (ISO 1680 standard). Noise values measured with idling 50 Hz motor with a tolerance of 3 dB (A).
• Other Available Voltages (Optional):
  • Three-phase 50/60 Hz: 3 x 200-208/346-360 V, 3 x 255-265/440-460 V, 3 x 290-300/500-525 V, 3 x 440-460/- V, 3 x 500-525/- V
  • Three-phase 50 Hz: 3 x 220-230/380-400 V, 3 x 255-265-277/440-460-480 V, 3 x 380-400/660-690 V, 3 x 440-460-480/- V, 3 x 110-115/190-200 V, 3 x 200-208/346-360 V, 3 x 330-346/575-600 V, 3 x 575/- V, 3 x 230/400 V, 3 x 400/690 V
  • Three-phase 60 Hz: 3 x 265/460 V, 3 x 460/- V

Materials (CEF-COF Series)

• Pump Body: Stainless steel EN 10088-1-X2CrNiMo17-12-2 (1.4404) / AISI 316L
• Impeller: Stainless steel EN 10088-1-X2CrNiMo17-12-2 (1.4404) / AISI 316L
• Seal Housing: Stainless steel EN 10088-1-X2CrNiMo17-12-2 (1.4404) / AISI 316L
• Shaft Extension: Stainless steel EN 10088-1-X2CrNiMo17-12-2 (1.4404) / AISI 316L
• Impeller Locknut and Washer: Stainless steel EN 10088-1-X5CrNiMo17-12-2 (1.4401) / AISI 316
• Fill/Drain Plugs: Stainless steel EN 10088-1-X5CrNiMo17-12-2 (1.4401) / AISI 316
• Mechanical Seal (Standard): Ceramic / resin impregnated Carbon / FPM
• Elastomers (Standard): FPM
• Motor Pump Bracket: Stainless steel EN 10088-1-X5CrNi18-10 (1.4301) / AISI 304
• Pump Body Fastening Bolts & Screws: Galvanized steel
• Bracket Casing: Cast iron EN 1561-GJL-250 (JL1040) / ASTM Class 35
• Diffuser (CEF Series only): Stainless steel EN 10088-1-X2CrNiMo17-12-2 (1.4404) / AISI 316L

Hydraulic Performance (CEF-COF Series)

Hydraulic performance ranges at 50 Hz, 2 and 4 poles are provided in detailed tables showing delivery (l/min, m³/h), total head (m), and rated power (kW, HP) for various models. See the official PDF for exact tabulated values.

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SHO Series

Information for the SHO Series is mentioned in the table of contents but not present in the provided text extract. See the official PDF for detailed specifications.

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Disclaimer

This summary is based 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 for the project.

Official datasheet (PDF)

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