Description
Anthracite Filter Media is commonly used as sub-fill and as a component of multi-media filters. Anthracite is a durable media with long life and a wide temperature range. It contains no silica to interfere in the production of ultra pure water.
KEY FEATURES AND BENEFITS :
- No chemicals to purchase for maintenance.
- Durable material with long life and temperature range.
- Requires lower backwash rate.
- Ideal for DI sub-fill requirements and hot process filtering applications.
- Contains no silica.
SPECIFICATION :
| Color | black |
| Bulk Density | 50 lbs./cu. ft |
| Specific Gravity | 1.65±0.05 |
| Effective Size | 0.60 – 2.30 mm |
| Uniformity Coefficienty | 1.3 – 1.7 |
| Hardness | 3.0 – 3.8 (Mohs scale)Operational Specifications |
| Bed depth | 24 – 36 in., 10 – 18 in. for multibed filters |
| Freeboard | 50% of bed dept (min.) |
| Service flow rate | 5 gpm/sq. ft. or higher depending upon local conditions |
| Backwash flow rate | 12 – 25 gpm/sq. ft. depending upon mesh size |
| Backwash expansion rate | 20 – 40% of bed depth |

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