C threaded connection

 Open impeller centrifugal pumps Calpeda C

Design

Monoblock centrifugal pumps with an open impeller.
In type C16/1, the impeller is pushed back (vortex type).
Bronze pumps are supplied fully painted.

Application

for liquids with a medium content of impurities and emulsions for industry and agriculture

Operating restrictions

Fluid temperature from -10°С to +90°С.
The ambient temperature is not more than 40°С.
Manometric suction lift no more than 8 m.
Maximum allowable final pressure in the pump casing: 6 bar.
Maximum allowable solid particle diameter: 4 mm. 
Continuous operation.

electric motor

Induction motor, 2-pole, 50 Hz, 2900 rpm.
C: three-phase - 230/400 V (±10%)
CM: mono-phase 230 V (±10%) with thermal protection device Capacitor built into the terminal box.

Special executions on request

other voltages frequency 60 Hz (see catalog for frequency 60 Hz)
with protective device IP 55 
special mech. seals for higher or lower temperature media

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n = 2900 rpm

head up to 5.5 m, productivity up to 2.4 m3/h, type C16
head up to 12.3 m, productivity up to 4.8 m3/h, type C20

head up to 15.6 m, productivity up to 15 m3/h, type C4/1/A
head up to 20.5 m, productivity up to 6.6 m3/h, type C22

head up to 19 m, productivity up to 15 m3/h, type C4/A
head up to 22.4 m, productivity up to 15 m3/h, type C41