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CDL/CDLF Vertical Multistage Pump

Frequently Asked Questions

Comprehensive FAQ addressing common questions from global customers about CDL/CDLF multistage pumps.

Selection Questions

Q: How do I select the right pump? A: Determine flow rate, calculate total head, check NPSH available, identify liquid properties, select model from performance curves.

Installation Questions

Q: Does the pump need priming? A: CDL/CDLF typically have flooded suction. If installed with suction lift, yes – pump must be primed.

Operation Questions

Q: What is acceptable operating range? A: Preferred 80-110% of BEP, acceptable 70-120% of BEP.

Maintenance Questions

Q: How often to lubricate bearings? A: Every 500 operating hours or quarterly, whichever comes first.

Shanghai Chaodun Machinery Manufacturing Group Co., Ltd.