Cross – section of the OPA.4 – OPA.7 type pumpCross – section of the OPA.4 – OPA.7 type pump
1. Motor
2. Ball bearing
3. Upper body
4. Sleeve clutch
5. Front sealing
6. Pump shaft
7. middle body and stator
8. Jacket
9. Rotor
10. Slide bearing
11. Bottom body1. Motor
2. Ball bearing
3. Upper body
4. Sleeve clutch
5. Front sealing
6. Pump shaft
7. middle body and stator
8. Jacket
9. Rotor
10. Slide bearing
11. Bottom body