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Production Overview of HN Series Canned Motor Pump
The canned motor pump body connects directly with motor front flange, and can convey the medium low temperature fluid with no granule be zero leakage.
The Canned Pump is a centrifugal pump, close coupled to a Canned Motor in such a way that
there is no dynamic shaft seal, no couplings and no ball bearings. The motor is cooled by the
pumped liquid and the sleeve type.
Bearings are lubricated by the same liquid. This eliminates the need for external lubrication.
The stator of the driving motor, which is usually three phase squirrel cage induction motor,
which is hermetically contained in a stator containment that consist of an external frame tube,
out board & inboard end plates and the internal cylinder liner. The rotor which is welded on
the shaft, is also encapsulated with a non magnetic liner. Both stator liner (Stator Can) and
rotor liner (rotor can) are seal welded at both ends, and does not allow any part of the motor to be
exposed to external environment or internal pumped liquid.
Featurers of HN Series Canned Motor Pump
1) No shaft seals, no leak paths
2) No buffer pots to maintain
3) No coupling or alignment problems
4) Primary leak containment shell
5) Proven bearing monitor detects bearing wear before primary leak containment shell is contacted by the rotor
6) Dry stator design and sealed junction box terminal plate
7) Controlled bearing enviroment, conservation bearing design and hydraulic thrust balancing，extended bearing life
Q: How can I get trained on CNBM products?
A: Yes, we provide training courses in our factory (products, general and specific pump technology, hydraulics, and practical applications). Please consult your sales manager or get in touch with our headquarters for more information.
Q: Are your pumps cheaper than those of your competitors?
A: CNBM aims to give its customers the highest standards of quality and service and delivery times, all at a reasonable price.
Q: Do you have self-priming pumps?
A: Yes, our product portfolio also includes two ranges of self-priming pumps: self-priming electric pumps and self-priming side channel pumps.
Q: Is it really necessary to fit a bleed valve for the boxes?
A: It is always best to have a bleed valve as the gas produced by the fermenting sewage is potentially hazardous.
Q: If I increase the power of the motor, must I also increase the power of the inverter?
A: You must select the size of converter that allows maximum absorption of the electric motor.
Q: Do you have pumps with grinders?
A: Yes, the WQ models.
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