STORAGE

TFC* Storage

Spirals manufactured from this membrane are 100% vacuum/integrity tested with a nominal productivity rating value of ± 15%.

  • Spirals are sanitized with 1.5 weight percent sodium metabisulfite. Spirals are nitrogen-flushed and vacuum bagged or encapsulated into a housing.
  • Spirals must NOT be allowed to dry.
  • Spirals must NOT be allowed to freeze.
  • Store spirals in a dry, cool place not exposed to sunlight.

Rinsing and preparation for use:

  • Use only potable dechlorinated (0 ppm Total Chlorine) feed water.
  • Rinse to drain a minimum of 3 hours.
  • Nominal pH limits are 4.0 to 11
  • Allowable feed water Temperature range is 34°F to 113°F (1°C - 45°C).

* Manufactured and licensed under U.S. Patent No. 4,277,344.

CTA Storage

Spirals manufactured from this membrane are 100% performance tested on Buena
Park filtered tap water at 60 psig (4.1 atm) applied pressure. Productivity is corrected to 77º F (25º C). Nominal rejection is 94% to 95% (93% minimum) and nominal productivity is rated value ± 15%. Refrigerated storage is best for maximum life, but not a requirement. We do recommend leaving spirals in their original packaging until needed.

  • Spirals are sanitized with 1.5 weight percent sodium metabisulfite. Spirals are nitrogen flushed and vacuum bagged or encapsulated into a housing.
  • Spirals must NOT be allowed to dry.
  • Spirals must NOT be allowed to freeze.

Rinsing and preparation for use:

  • Use only potable dechlorinated (0 ppm) feed water.
  • Rinse to drain a minimum of 3 hours.
  • Nominal pH limits are 3.0 to 8.0.
  • Allowable feed water Temperature range is 40°F to 110°F (4.4°C - 43°C).
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