• Centrifugal Pump Theory • Pump Terminology • Reading Centrifugal   Pump Curves • Centrifugal pump   Operating Range • Pump Enquiry Information • System Curves • Pump Parallel / Series   Operation • Cavitation • NPSH - Nett Positive   Suction Head • Affinity Laws • Troubleshooting • Disclaimer Pump Enquiry Information To ensure the correct pump is selected for your application the following details are required. If you can not supply some of the information, just ask for help from Doyle Pump & Engineering, we can assist in identifying your requirements. See pump terms for more info. These details required for all applications Additional details if liquid is not water. Flowrate required Static suction head Suction pipe inside diameter Footvalve or open pipe Suction pipe length & material Static discharge head Discharge pipe inside diameter Discharge pipe length & material Temperature Details of solids Height above sea level Details of application ie: - additional requirements, - sprinklers or other pressure     requirements - future expansion, etc Full liquid description Specific gravity Viscosity pH value Other details or data sheet FOR ALL APPLICATIONS ADVISE: Driver requirements ie: Electric? - voltage/phase/Hz Electric? - hazardous location? Diesel? - preferences Petrol? - preferences Hydraulic? - system available

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