China Qbk-25 Plastic Air Operated Diaphragm Pump for ...
3. Our pump can be used directly as a submersible pump, it uses air as the power source, and does not have the leakage and other security risks. This diaphragm pump has lower cost than submersible pump which is caused by the maintenance of motor. 4. Pumps provide stall-free, ice-free operation. 5.
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