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Rotary Vane Pumps

Rotary vane pumps are workhorses in many lab and industrial settings, but performance drops fast when basic maintenance is skipped. This guide from Welch outlines ten practical steps to keep your pump running efficiently, reduce downtime, and extend its lifespan.

 

What You’ll Learn

This asset covers:

  • How to select the right pump for your application
  • Placement and setup tips that directly impact performance
  • Oil management practices that prevent costly failures
  • Maintenance routines that reduce service needs
  • How to prevent corrosion and vapor damage
10 Tips for Seamless Rotary Vane Pump Performance

Tips Preview

Choose the Right Pump

Oversizing leads to vapor bypass and oil contamination. Match pump capacity to your actual needs.

Use an Exhaust Filter

Prevents oil mist emissions from the exhaust port—especially important in clean environments.

Prevent Corrosion

After heavy vapor use, run the pump with the gas ballast open and inlet blanked for 30 minutes before shutdown.

FAQs

If vapors bypass the trap and contaminate the oil, your pump may be too large for the application.