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Ultrafiltration Systems

  • Integral bag filters reduce cost and save floor space.
  • CIP system: Clean a single element while rest of system remains online.
  • Available bag filter in CIP loop.
  • Stainless steel housings
  • Stainless steel top & bottom caps are standard.
  • After Sales Support: We’ll be there to monitor and optimize system performance.


  1. Permanent hydrophilic charge offers maximum permeate output and UF life.
  2. Hydrophilic UF membrane doesn’t require expensive “recharging” chemicals.
  3. Integrated end plugs for easy installation.
  4. Reverse flow and forward flow cleaning for maximum recovery.
  5. Elements can be easily removed with this simple tool.

  • Stainless Steel (SS304L) durable construction.
  1. Compressed clamp ring prevents flow by-pass.
  2. Hinged bolts for easy bag change out.
  • DI/ Vent Valve for paint solids recovery
  • Drain Valve
  • Replacement bags
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UFCC
Ultrafiltration Compatability Coefficient (UFCC) evaluation is a series of tests that compare UF performance against a multitude of paint conditions. In the first phase, acid concentration (meq/L) is measured and it is determined if further testing is required. In many cases, simply adjusting the acid concentration can provide significant improvements to UF flux stability.

In the second phase, bath paint is compared to fresh paint and a UFCC number is determined on a scale of 0 – 1. The higher the UFCC number, the better the UF performance. Eg. Lower frequency of cleaning, greater permeate output overtime, and possibly longer membrane life. If a UFCC number is considered too low for economical operation of UF elements, adjustments will be made to the bath paint’s acid concentration until an acceptable UFCC number is reached. If acid adjustment alone can not improve UFCC sufficiently, a third phase of testing can be done.

The third phase involves testing of other contaminants such as bacteria, phosphate, and pretreatment cleaners. Once the problem is determined, further testing is done to identify possible solutions. In the end a recommendation is made based on all gathered data, and this recommendation is shared with both the paint maker and end user.

All UFCC tests require good communication between the paint maker, end user, and Synder Filtration. Detailed record keeping of tank history, operating conditions, and UF performance are absolutely essential to the UFCC process.

UFCC Cleaning Frequency
0.95 and up Generally no cleaning is required
0.80 - 0.95 Cleaning required 1 to 2 times per year
0.70 - 0.80 Cleaning required 4-5 times a year
0.60 - 0.70 Cleaning required once a month
0.50 - 0.60 Cleaning required twice a month
Less than 0.50 UF operation practically impossible