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MICRO-Z™

Superior Filtration Media
Alamo's Micro-Z™ granular filter media outperforms conventional multimedia materials due to its unique structure, allowing particulate to penetrate deeply into the filter bed to provide superior filtration at increased flow rates.


Features & Benefits

  • Higher solids loading capability
  • Superior filtration performance
  • Reduced backwash frequency
  • Removes finer particles
  • Reduces pressure drop
  • Provides higher flow rates
  • Light weight
  • Reduces shipping costs
  • Easy to handle

Physical Properties
Color
Light Green 
Bulk Density 55 lbs. per cu. ft.
Specific gravity 2.2 gm/cc
Mesh size
14x40
Uniform coefficient
1.9
Hardness (Mohs scale)
4

   

Conditions of Operation

Recommended bed depth
36" - 48"
Recommended freeboard
50% of bed depth
Service flow rate 12-20 GPM/sq. ft.
Backwash flow rate
12-16 GPM/sq. ft.
Backwash bed expansion 30-40 percent



MICRO-Z vs Conventional Filter Media

Media Nominal Micron Rating Loading Capacity
Sand 20 1.0 x
Sand & Anthracite 15 1.4 x
Multimedia 12 1.6 x
Micro-Z 5 2.8 x



MICRO-Z Loading Information

Vessel Diameter (Inches) Media Quantity A7200 (Cubic Ft.) Under Bed A7005 (Lbs.) Service Flow Rate Backwash Flow Rate (GPM)
9 1 12 5-9 5
10 1.5 15 7-10 7
12 2 25 9-15 10
14 3 40 13-21 15
16 4 55 17-28 20
22 6 100 30-50 32
24 8 200 38-62 40
30 10 300 59-98 60
36 20 500 85-140 85
42 30 700 115-190 110
48 40 900 150-250 150



MICRO-Z Loading Information

Part Number Description Cubic Foot Weight (Lbs.) Package
A7200 Micro-Z 1 55 Bag
A7200-B Micro-Z 40 2,200 Super Sack