Pump Dry Run: Causes, Risks, and Prevention

Introduction

Dry running is one of the most common causes of pump failure in industrial systems.

What Is Dry Run

Dry run occurs when a pump operates without sufficient liquid.

Causes

• Empty suction tank
• Closed suction valve
• Air ingress
• Improper priming

Risks

• Seal damage
• Bearing failure
• Overheating
• Pump seizure

Prevention Methods

• Install level sensors
• Use interlocks
• Proper startup procedures
• Flow monitoring

Conclusion

Preventing dry run is essential to extend pump life and avoid costly failures.

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