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media filtration Calcite

Calcite is a naturally occurring calcium carbonate media. One of the advantages of Calcite is its self-limiting property. When properly applied, it corrects pH only enough to reach a non-corrosive equilibrium. It does not overcorrect under normal conditions. Upon contact with calcite, acidic waters slowly dissolve the calcium carbonate to raise the pH which reduces potential leaching of copper, lead and other metals found in typical plumbing systems. Periodic backwashing will prevent packing, reclassify the bed and maintain high service rates. Depending on pH, water chemistry and service flow, the Calcite bed will have to be periodically replenished as the Calcite is depleted. As the Calcite’s calcium carbonate neutralizes the water, it will increase hardness and a softener may become necessary after the neutralizing filter.
Calcite Filter Model No.* Service Flow Rate, Maximum** Back Wash Flow
(gpm)		 Volume of Resin (cu.ft.) Resin Tank
(Dia.”×H”)		 Fleck Valve In/Out Conn. Approx Ship Weight
(lb)
Calcite
(Only)		 Total (Incl. Underbed)
W-N744 1.3 2.7 0.5 0.6 7×44 5600 ¾” 100
W-N844 1.7 3.2 0.6 0.7 8×44 5600 ¾” 105
W-N940 2.2 4.2 0.7 0.8 9×40 5600 ¾” 115
W-N1054 2.7 5.3 1.2 1.4 10×54 5600 ¾” 150
W-N1252 3.9 7.5 1.7 2.0 12×52 2510 1″ 190
W-N1354 4.6 9.0 2.0 2.4 13×54 2510 1″ 225
W-N1465 5.3 10 2.6 3.1 14×65 2510 1″ 335
W-N1665 7.0 15 3.6 4.1 16×65 2510 1″ 385
W-N2162 12.0 25 5.9 6.9 21×62 2850 1.5″ 645
W-N2472 15.7 30 8.0 10.0 24×72 2850 1.5″ 950
W-N3072 24.5 50 12.4 16.4 30×72 3150 2″ 1,535
W-N3672 35.3 75 17.1 22.1 36×72 3150 2″ 1,950
W-N4272 48.1 100 23.1 30.1 42×72 3900 3″ 2,950

Ordering Notes:

* Calcite Neutralization Filters are available with several options of valve voltages. Please add the appropriate voltage code to the end of the model when ordering.
110v/60Hz = 116 Example: W-N744-116
220v/60Hz = 216 Example: W-N744-216
220v/50Hz = 215 Example: W-N744-215

**5 gpm per sq. ft. of media is the best design condition for pH Neutralization. Backwash flow rate based on 25 psi pressure drop.

Skid mounting, control panel and custom sizes and configurations are available upon request.

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