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Filter / River Sand and Gravel water filtration media are naturally clean filtration media useful for applications related to industrial, municipal, and household water treatment.
Advantages of using our Filter / River Sand compared to other filter sands
Longer filter runs.
Deep bed penetration.
Less than 0.5% acid solubility.
Virtually free from fines and silts.
High Quality silica sand and consistent uniformity.
Filter media that meets or exceeds ISI specifications.
Water output quality 10 - 15 microns. (Sand 0.45 - 0.70 mm)
Washed, dried and screened to meet exacting specifications.
Sub-angular shape provides for maximum turbidity entrapment.
Uniform coefficients less than 1.4 resulting in a highly uniform bed.
Increased surface area thereby improving particle removal while still providing maximum water flow
Reduced initial backwash cycles, saving significant amounts of time and water in your start - up backwash cycle.
Conditions for Operation
Bed depth
Freeboard
Backwash flow rate
Backwash bed expansion
Service Flow Rate
Municipal
Industrial
Domestic
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18 -30 in
20 % of Bed depth (min.)
15 -20 gpm / sq. Ft.
20 % of bed depth
1.5 - 2 gpm / sq. Ft.
3 gpm / sq. Ft.
5 gpm / sq. Ft.
Physical Properties
Color
Bulk Density, Kg/M3
Solubility in 10% HCL
Specific Gravity
Hardness Mohs
Uniform Coefficients
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Light Brown
1550
< 5%
2.65
7 - 8
< 1.4
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