Paper Machine Liquid-Ring Vacuum Pump Troubleshooting

Liquid-ring vacuum pumps can perform several different functions in the papermaking process, including: dewater the stock as the sheet forms in the forming section, dewater and clean the press felts in the press section, and transfer all or part of the sheet in multiple locations.

Vacuum systems that use liquid-ring vacuum pumps are reliable, but problems can occur. Routine maintenance, regular observations, and system checks can help prevent these problems from impacting production.

The vacuum provided by liquid-ring vacuum pumps is vital to paper machine operations, which is why it is so important to take action to get vacuum systems back to their desired state when an issue develops. This course describes some of the more common issues and their causes, and describes some best practices for troubleshooting vacuum pump systems.