48" AGF 910101-001049 / 01.2020
Page 5 of 21
4.
Filtration Media Type
Media
Type
Quartz
PEP Active
(Glass media)
Gravel
Grade
0
1
2
0
1
1
Size
0.5 - 0.8
mm
0.8 - 1.2
mm
1.2 - 2.0
mm
0.25 – 0.5
mm
0.5 - 1.1
mm
0.8 - 1.2
mm
0.019-0.031
inch
0.031-0.047
inch
0.047-0.078
inch
0.01098 -
0.019 inch
0.019 - 0.043
inch
0.031-0.047
inch
Media
weight
590 kg / 1300 lbs.
Recommended number of media bags (approximation)
Media Composition
No. of media bags
Media bag size
kg
lbs.
Gravel 1
28
25
55
Quartz 2* + PEP Active
14 + 14
25
55
Quartz 2* + Quartz 0
14 + 14
25
55
*quartz 2 is a support layer of coarse media, spread below distribution nozzles’ "dead area"
5.
Silica Sand / Gravel Data
Media type
Mesh range
Average effective size gravel
mm
inch
Crushed Silica 12
80-130
1.1 - 1.2
0.043-0.047
Crushed Silica 16
155-200
0.6 – 0.7
0.023-0.275
Crushed Silica 20
170-230
0.45 – 0.5
0.017-0.019
