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Main factors affecting the service life of the screw pump
May 08, 2018

1. Stator and rotor machining accuracy and surface finish.

2. Stator inner cavity and rotor straightness.

3. Stator rubber and metal jacket bond strength.

4. Stator rubber's temperature, oil and gas resistance.

5. The determination of the rotor's reasonable speed.

6. The choice of a reasonable amount of interference between the stator and the rotor.