Centrifugal Pumps 5.21

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Centrifugal Pumps 5.21
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Introduction

• Basic Operation

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Discharge
Motor
Pump
Power End
Suction
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Selection

• Mechanical Energy Equation

• Simplifications

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Pump Selection
Hypothetical Case
Head Required 200 ft.
Flow Required 300 GPM
Motor RPM 3500
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Pump Selection
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Pump Selected

• 2X3-8 pump
• 8 inch impeller
• 26 HP Motor
• 23 feet NPSH
• 58.5 Efficient

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Other Design Considerations

• Materials
• Temperature
• Availability of Motors
• Location/Orientation
• Space
• Cost

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Websites With Info

• www.gusher.com
• www.acdpumps.com
• www.gouldspumps.com
• www.osmonics.com
• http//web.singnet.com.sg/acpump/

• Basic Info Website
• www.pumpline.com