![FJ series](../FNCMSFiles/ESP-rotor-FJ.png)
Rotor FJ
Type FJ
The Progressive Cavity Pump type FJ from JOHSTADT has a balanced relation between both elements of delivery. This means it achieves the optimum delivery rate and delivery pressure.![FG series](../FNCMSFiles/ESP-rotor-FG.png)
Rotor FG
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