Calpeda CM 22E Close-coupled centrifugal pumps with open impeller

Calpeda CM 22E Applications

• Marine Air Conditioning Water Pumps
• For moderately dirty liquids or emulsions.
• For industry and agriculture.

Calpeda Water Pump CM 22E Construction

• Close-coupled centrifugal pumps with open impeller.
• Free-flow impeller (vortex or recessed impeller) for type C 16/1E.
• Connections: threaded ports ISO 228/1.
• threaded ports NPT (ANSI/ASME B1.20.1) on request
• C: version with pump casing and lantern bracket in cast iron.
• B-C: version with pump casing and lantern bracket in bronze
• (the pumps are supplied fully painted).

Calpeda CM 22E Operating conditions

• Liquid temperature from -10 °C to +90 °C.
• Ambient temperature up to 40 °C.
• Total suction lift up to 8 m.
• Maximum permissible working pressure: 6 bar.
• Maximum size of solids: 4 mm.
• Continuous duty.

Calpeda CM 22E Motor

• 2-pole induction motor, 60 Hz ( 3450 rpm).
• C: three-phase 220/380 V, 220/440 V,
• CM: single-phase 110 V, 127 V, 220 V.
• with thermal protector up to 1.1 kW only 220V.
• Capacitor inside the terminal box.
• Insulation class F.
• Protection IP 54.
• Motor suitable for operation with a frequency converter from 1,1 kW.
• Classification scheme IE3 for three-phase motors from 0,75 kW.
• Constructed in accordance with: EN 60034-1; EN 60034-30-1.
• EN 60335-1, EN 60335-2-41.

Special features on request
- Other voltages.
- Protection IP 55.
- Special mechanical seal
- Higher or lower liquid or ambient temperatures.
- Motor suitable for operation with frequency converter up to 0,75 kW