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Troubleshooting Rotary Vacuum Disc Filters

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Low flow levels and wet cake. While under vacuum, the cloth sector bag is sucked up against the solid sections of the sector. Where the cloth makes contact with the metal or plastic, no filtration is taking place. This can effect up to sixty percent of the cloth area. Backer cloths, made of polypropylene filaments, in a honeycomb configuration allow for the entire surface of the sector bag to filter slurry. NFM would be happy to provide a trial set of backer cloths for your Vacuum Filter Disc, just contact Shane with the form on the Navbar.

Cloth snags and tears on metal scraper blades. The scraper blade is a wear part. When a metal scraper blade wears, it sharpens, which can cut through industrial filter media. NFM offers a dual density scraper blade, which has a tip that wears away slowly as it rubs against filter cloth.

Machine operators get injured changing heavy cast iron sectors. I once dropped a cast iron sector on my foot while test fitting a bag in our factory. Not only did I bruise my foot, but I had to catch the sector, nearly straining my lower back, before it fell on my coworker! That would not have been a problem with NFM’s lightweight plastic sector. These thing are durable enough for the mining industry.

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.

Sector Recovery is a hassle. It doesn’t have to be your hassle. Box up your sectors, and ship them to our Winthrop Maine facility. We will strip off the old sector bag, put on the new cloth, and steam shrink the bag onto the sector for a perfect fit. We also have a field service crew that can do the job onsite.

Rotary Vacuum Disc Filter Wear Parts

  • Sectors
  • Sector Clamps
  • Radial Rods
  • Ferrules
  • Bridge Plates
  • Scraper Aprons
  • Worms
  • Worm Wheels
  • Stuffing Boxes
  • Agitator Paddles
  • Wear Plates
  • Bearings
  • Filter Valves
  • Scraper Blades
  • Replacement Barrels
  • Replacement Tanks
  • Filtrate Tubes
  • Multiflex Connectors

Count on NFM to fix your Vacuum Disc Filter

Hopefully these troubleshooting tips have got your Rotary Vacuum Filter Disc back into peak operation. If not, we’ve got over a hundred and ten years’ experience in filtration, and National Filter Media can be onsite to help at your convenience.

Contact A Technical Expert

Call us today to learn how our expertise can provide you with the filtration solution you’ve been looking for. We’ll build a relationship with you that will last well beyond the sale, providing you with unparalleled customer service and technical filtration expertise.

Contact a Technical Expert
Corporate Office

Corporate Office and Manufacturing Division 691 North 400 West
Salt Lake City, UT 84103

800-777-4248

801-363-6736

801-531-1293

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