Pompa Ansiklopedisi (İngilizce)

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Variable frequency drive
A variable frequency drive is used for adjusting a flow or pressure to the actual demand. It controls the frequency of the electrical power supplied to a pump or a fan. Significant power savings can be achieved when using a VFD.
Vortex impeller
The benefit of a vortex impeller over a channel impeller is the minimised risk of clogging.