The Niagara+™ Manganese Greensand Iron Filter effectively removes Oxidized and Soluble iron, manganese and hydrogen sulfide (rotten egg odor) usually found in well water.
More Information about Iron Removal
Greensand Filter Schematic
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Manganese Greensand Iron Filter
These Iron Filter systems use a high quality manganese greensand media. The system is installed in the main water line. When the raw water enters your iron filter it passes down through the filter media and gets oxidized. This causes precipitation of the minerals and any iron, manganese or hydrogen sulfide present in your water supply is trapped resulting in a clean, filtered water flow to your household. The filter media is periodically regenerated automatically, backwashing the trapped minerals to the drain and regenerated by replacing the oxygen. This is done by introducing potassium permanganate to the media. The system comes with the Potassium Permanganate container. With proper installation it removes the following contaminants resulting in a healthier water. (removal per cubic foot)
- 15 ppm of both ferric (oxidized) and ferrous (clear) iron
- 5 ppm of Hydrogen sulfide (rotten egg odor)
- 10 ppm of manganese
Note: These systems are design for water supplies with pH between 6.2 and 8.8. If your water supply has a pH of 6.1 or less, you need to neutralize pH before passing through this system.
pH Neutralizing Filter
CALCULATING REMOVAL CAPACITIES:
Manganese Greensand filters are deigned for operation with intermittent regenerations. That is to say that they will treat a “batch” or calculated amount of water before regeneration will need to take place. It is important to remember to not allow the filter to reach complete exhaustion before regenerating. Basing the removal capacity on a total combined concentration of iron, manganese, and hydrogen sulfide, the following is a typical example or template for deter- mining the approximate demand on a greensand filter.
To calculate capacity: Regenerated with 4 ounces (0.25 lbs.) of KMnO4, one cubic foot of manganese greensand will yield about 10,000 ppm of removal.
To calculate demand:
| RAW WATER CONTAMINANT FACTOR |
= DEMAND |
| 3.0 ppm Iron (Fe) |
x 1.0 = 3.0 ppm |
| 0.3 ppm Manganese (Mn) |
x 2.0 = 0.6 ppm |
| 0.2 ppm Hydrogen Sulfide (H2S) |
x 5.0 = 1.0 ppm |
| TOTAL DEMAND |
= 4.6 |
To calculate gallons between regenerations per cubic foot:
10,000 ppm capacity per cubic foot / 4.6 ppm demand = 2175 gallons.
Our automatic backwash systems are equipped with the Fleck® 5600 water conditioning control valve.
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Valve
Specifications
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| Valve Material |
Noryl® |
| Inlet/Outlet |
3/4"
NPT (Female) |
| Cycles* |
{enter
info} |
|
Flow
rates (50 PSI Inlet) - Valve Alone
|
| Continuous
(15 PSI Drop) |
20
gpm |
| Peak (25
PSI Drop) |
26
gpm |
| CV** |
5 |
| Max.Backwash
(25 PSI Drop) |
7
gpm |
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Regeneration
|
| Downflow/Upflow |
Both |
| Adjustable |
Time
of regen and brine flow only. |
| Time Available |
120
minutes |
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Meter
Information
|
| Meter Accuracy
Range |
.25
- 15 gpm +/- 5% |
| Meter Capacity
Range |
Standard:
125-2,125 gal.
Extended: 625-10,625 gal. |
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Dimensions
|
| Distributor
Pilot |
13/16"
or 1" (1.050) Pipe O.D. |
| Drain Line |
1/2"
NPT (Female) |
| Brine
Line |
3/8" |
| Mounting
Base |
2-1/2"-8
NPSM |
| Height
from top of tank |
7" |
| Tank Application - can regenerate/backwash the following |
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Water
Softener
|
6"-12"
diameter |
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Iron
Filter
|
6"-10"
diameter |
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Sediment
Filter
|
6"-10"
diameter |
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Carbon
Filter
|
6"-10"
diameter |
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Neutralizing
Filter
|
6"-10"
diameter |
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Additional
Information
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| Electrical
Rating |
24v,
110v, 220v-5-Hz, 60Hz |
| Pressure |
Hydrostatic:
300 PSI
Working: 20 - 120 PSI |
| Temperature |
34°
- 110° F |
**Cv-Flow rate of valve alone at 1 psi pressure drop
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