Construction
Close-coupled centrifugal pumps with open impeller.
Free-flow impeller (vortex or recessed impeller) for type C 16/1E.
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).
Applications
For moderately dirty liquids or emulsions.
For industry and agriculture.
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 (S3 60% for C(M) 22E-CM 22/1E).
Motor
2-pole induction motor, 50 Hz (n ≈ 2900 rpm).
C: three-phase 230/400 V ± 10%.
CM: single-phase 230 V ± 10%, with thermal protector.
Capacitor inside the terminal box.
Insulation class F.
Protection IP 54.
Motor suitable for operation with frequency converter from 1,1 kW.
IE2 efficiency class for single-phase motors.
IE3 efficiency class for three-phase motors (IE2 up to 0,65 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.
– Frequency 60 Hz (as per 60 Hz data sheet).
– 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.
– Construction with bearing bracket