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What causes a rotary piston vacuum pump to fail?

The most common failure modes in rotary piston vacuum pumps include worn valves, worn shaft seals, bearing failure, contaminated oil, and freeze damage. Learn what causes each and how GLV...

What's the difference between H-series and J-se...

The primary difference between Stokes H-series and J-series pumps is the valve deck design. H-series pumps use a poppet-valve deck; J-series pumps use a clapper-valve deck. The two are not...

A closer look at Vacuum Pump Repair

Great Lakes Vacuum (GLV) is one of the Industry's leading vacuum pump repair organizations.  How do particular pumps have such a strong staying power?  This is a closer look at...

Troubleshooting Vacuum Pump and Blower Issues

Get GLV's help Troubleshooting Vacuum Pump and Blower Issues. 

Behind the Scenes - How GLV Tests and Certifies...

At Great Lakes Vacuum, rebuilding a vacuum pump isn’t just about replacing parts—it’s about restoring precision, reliability, and confidence. Our reputation is built on what happens after the tools go...

Storing and Handling Vacuum Pump Parts - Best P...

Contamination.  Corrosion.  Leaks.  Overheating.  Mechanical Failures.  Follow the Best Practices to avoid problems with your pumps and blowers.