Magnetic driven pumps
Magnetic driven pumps
(OP)
hi all,
please explain principle of operation with schematic drawing, if it is so good why it is not implemented in all pumps.
regards,
roker
please explain principle of operation with schematic drawing, if it is so good why it is not implemented in all pumps.
regards,
roker





RE: Magnetic driven pumps
rmw
RE: Magnetic driven pumps
checman
http:
RE: Magnetic driven pumps
Naresuan University
Phitsanulok
Thailand
RE: Magnetic driven pumps
1. They cannot be implemented for dirty fluids due to the hydrobearings using the pumped fluid as lubricant.
2. They shall not be used for variable duty points - the hydrobearings are designed for a certain flow at a certain pressure - any change and the life expectancy of the bearings is doomed.
3. They do not like frequent stop/starts - until the rotation of the inner part and the outer rotor is synchronised - a significant thermal energy is produced - and the magnets do not like high temperature.
4. High cost of repairs. And they will suffer frequent repairs if any of the previous points is not respected.
5. High cost of the initial equipment - economically it makes sense to look to magdrives if the nature of the pumped fluid will impose a double mechanical seal with buffer systems - for benign fluids apllications the cost is not justifiable.
RE: Magnetic driven pumps
We are running Ansimag pumps since 1997.
All pumps are monitored by the DKP , one of the monitors suggested by the vendor.
Now, we try to find an alternative supplier of these devices. Have you any advice on this ?
All pumps are in the 5-11 kw ...
Regards