Troubleshooting Rotary Vacuum Drum Filters

Bailer vent leaking slurry. Slurry coming out the bailer vent indicates that the drum has a leak. NFM is geared up to come onsite and make repairs to your drum. We can also sell you a replacement shell to fit in your current configuration, and refurbish the original, providing a spare for next time.

Whistling noise when drum is running. Either the valve spring needs adjusting, or your wear plate needs replacement.

Production loss- thinner, wetter cake. A worn out valve can cause timing issues, loss of vacuum, and even halt production. We provide standard replacement valves as well as abrasion resistant valves. 

Drum filter shakes and clangs. This can indicate worn out bearings. Do yourself a favor and replace them with NFM’s self-lubricating bearings. 

Excessive down time while installing drum cover. Not to mention the workout. If your crew is using a mallet and dog bone shaped tool to install filter cloth, this hand caulking hammer kit can save you time and man-hours. 

These are some of the common issues that can arise. It is better troubleshooting  your rotary vacuum drum filter and replacing wear parts when the symptom first appears, rather than waiting for a complete breakdown. If there isn’t a simple fix, Shane or another territory manager, can come check out the filter with one of our Equipment Specialists, for free.

Industrial filter media, or filter cloth, refers to the drum cover or belt. Depending on your process, operating temperature, and Ph of the slurry, certain fabrics out perform others. We have created a textile questionnaire that, once completed, allows our industry specialists and textile engineers to recommend the filter media that is best for your process.

National Filter Media’s Equipment Division in Winthrop Maine can manufacture or provide the following spare parts for rotary vacuum filters of any original equipment manufacturer’s make and model. We are happy to provide a free quote for any of the following: