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2. There may be several reasons why the screw pump does not deliver fluid:

2023-07-20View Original

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1. If the inhalation pipeline is blocked or leaking, the inhalation pipeline should be inspected; 2. Wear of the screw and pump casing; repair or replace components ; 3. Safety valve fails; adjust the spring, or grind and repair the valve disc and seat ; 4. The motor is reversing or not rotating fast enough; repair or replace the motor.

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