ANTHRACITE
| Physical properties | #1 Anthracite | #1½ Anthracite | #2 Anthracite |
| Bulk Density | 50 lbs./cu. ft. | ||
| Effective Size | 0.6-0.8 mm | 0.85-0.95 mm | 1.7-2.0 mm |
| Uniformity Coefficient | <1.7 | <1.7 | <1.6 |
| Mesh Size | 14x30 | 10x20 | 4x12 |
| Acid Solubility | <1% | ||
| Caustic Solubility | <1% | ||
| Specific Gravity | 1.6 gm/cc | ||
| Hardness | 3.0-3.8 (Mohs scale) | ||
| Color | Black |
| Conditions for operation | #1 Anthracite | #1½ Anthracite | #2 Anthracite |
| Water pH range | 24-36 in. 10-18 in multibed filters |
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| Freeboard | 50% of bed depth (min.) | ||
| Service flow rate | 5 gpm/sq. ft. or higher depending upon local conditions | ||
| Backwash flow rate | 12-18 gpm/sq. ft. | 18-25 gpm/sq. ft. | use air scour |
| Backwash bed expansion | 20-40% of bed depth |
|
| Code | Model | Cu. Ft./Bag | Weight/Cu. Ft. Lbs (Approximate) |
Bags/Pallet | Weight/Pallet Lbs |
Pallet Dimensions |
| A8029 | Anthracite #1 (0.6-0.8 mm) | 1 | 50 | 40/151 | 2550 | 40" x 48" x 56" |
| A8030 | Anthracite #1½ (0.85-0.95 mm) | 1 | 50 | 80/303 | 2550 | 40" x 48" x 56" |
| A8031 | Anthracite #2 (1.7-2.0 mm) | 1 | 50 | 120/454 | 2550 | 40" x 48" x 56" |
Data Sheet
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