16 • EVERPURE
®
PRO-Reverse Osmosis Water Filtration System Installation and Operating Instructions
PERFORMANCE DATA
Important Notice: Read this performance data and compare the
capabilities of this system with your actual water treatment
needs. It is recommended that before installing a water
treatment system, you have your water supply tested to
determine your actual water treatment needs.
This system has been tested according to NSF/ANSI 58 for the
reduction of the substances listed below. The concentration
for the indicated substances in water entering the system
was reduced to a concentration less than or equal to the
permissible limit for water leaving the system, as specified in
NSF/ANSI 58.
Model PRO
Substance
Influent
Challenge
Concentration
Maximum
Permissible
Product Water
Concentration
Reduction
Requirements
Minimum
Reduction
Average
Reduction
Standard 58
Total Dissolved
Solids
750 ± 40 mg/L 187 mg/L 97.3% 98.5%
Pentavalent
Arsenic†
0.30 mg/L ±10% 0.025 mg/L 98.2% 99.0%
Fluoride 8.0 ± 10% 1.5 mg/L 84.1% 91.2%
Cysts
Minimum 50,000/
mL
99.95% 99.99% 99.99%
Turbidity 11 mg/L ± 1 NTU 0.5 NTU 99.6% 99.9%
Lead 0.15 mg/L ± 10% 0.010 NTU 93.3% 97.7%
Nitrate plus
Nitrite
(both as N)
30.0 mg/L±10% 10.0 mg/L 90.1% 93.2%
Nitrate 27.0 mg/L ± 10% 10.0 mg/L 90.2% 93.2%
Nitrite 3.0 mg/L ± 10% 1.0 mg/L 91.0% 93.5%
Selenium 0.10 mg/L ± 10% 0.05 mg/L 59.0% 84.7%
Copper 3.0 mg/L ± 10% 1.3 mg/L 97.8% 99.3%
Cadmium 0.03 mg/L ± 10% 0.005 mg/L 95.1% 97.6%
Hexavalent
Chromium
0.3 ± 10% 0.1 mg/L 97.8% 98.7%
Trivalent
Chromium
0.3 mg/L ± 10.0 0.1 mg/L 93.2% 96.8%
Radium
226/228
25 pCi/L ± 10% 5pCi/L
Barium 10.0 mg/L ± 10% 2.0 mg/L 94.2% 97.4%
Standard 42
Std. 42
Chlorine
Reduction*
2.0 mg/L ± 10% ≥ 50% 87.5%
Production Rate:5.7 gpd (28.8 Lpd)
*Post filter only (D-20), Flow Rate=1.0 gpm (3.8 L/min); Capacity=1000 gallons (3785 L).
†The PRO shall only be used for arsenic reduction on chlorinated water supplies
containing detectable residual free chlorine at the system inlet. Water systems using an
in-line chlorinator should provide a one-minute chlorine contact before the RO system.
Do not use with water that is microbiologically
unsafe or of unknown quality without adequate
disinfection before or after the system.
Systems certified for cyst reduction may be
used on disinfected waters that may contain
filterable cysts.
NSF/ANSI Standard 58 certified to reduce cysts such as
Cryptosporidium and Giardia by mechanical means.
EPA Est. No. 090375-MEX-001
The tested efficiency rating for these systems is 10.46%.
Efficiency rating means the percentage of the influent water
to the system that is available to the user as reverse osmosis
treated water under operating conditions that approximate
typical daily usage. The tested recovery rating is 20.36%.
Recovery rating means the percentage of the influent water to
the membrane portion of the system that is available to the user
as reverse osmosis treated water when the system is operated
without a storage tank or when the storage tank is bypassed.
NOTE: Substances reduced are not necessarily in your
water. Filter must be maintained according to
manufacturer’s instructions, including replacement
of filter cartridges.
Test Conditions
Flow Rate = as noted for filter system
Inlet Pressure = 60 psi (4.1 bar)
pH = 7.5±1
Temperature = 68°F ± 5°F (20°C ± 2.5°C)
Operating Requirements
Pressure = 40–100 psi (2.8–6.9 bar)
Temperature = 40–100°F (4.4–37.8°C)
Turbidity = 1 NTU Max.
The PRO has been tested for the treatment of water containing
pentavalent arsenic [also known as As(V), As(+5), or arsenate]
at concentrations of 0.30 mg/L or less. This system reduces
pentavalent arsenic, but may not remove other forms of
arsenic. This system is to be used on water supplies containing
a detectable free chlorine residual or on water supplies
that have been demonstrated to contain only pentavalent
arsenic. Treatment with chloramine (combined chlorine) is not
sufficient to ensure complete conversion of trivalent arsenic
to pentavalent arsenic. Please see the Arsenic Facts section of
the Performance Data Sheet for further information.
Testing was performed under standard laboratory conditions;
actual performance may vary.
The following performance claims for the PRO are not tested
or certified by NSF.
Model PRO
Substance
Average
Influent
Concentration
Average (max.)
Effluent
Concentration
Average
Concentration
Standard 58
Sulfate 759.5 ppm 7.0 ppm 99.1%
Magnesium 29.0 ppm 0.1 ppm 99.7%
Zinc 10.2 ppm 0.05 ppm 99.5%
Ammonia 3.27 ppm 0.57 ppm 82.5%
Tannin 3.70 ppm ND (2.0) ppm >49.5%
Testing performed at 73°F ± 5°F (22.7°C ± 2.5°C), pH of 7.5 and 50 psi (3.45 bar) pressure.
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