ST 100
SPECIFICATIONS
| U.S. Mesh Size | 8 x 30 |
| 80% passes through | No. 8 |
| 5% or less passes through | No. 50 |
| Water retention, drained: | 10% |
| Moisture: | 8% or Less |
| Density: | Shipped 61 lb/ft3 |
| Backwashed, settled in column: | 50-57 lb/ft3 |
Design Criteria
| Bed Depth: | 3 ft. min. |
| Hydraulic Loading: | 2-5 gpm/ft2 max |
| Bed Expansion (during back wash) | 20% |
| Standard Packaging in 90 lb. fiber drums or bulk bags |
Filter Design Features
| Retention time | 7- 10 min. |
| Appropriate Underdrain to guarantee uniform water flow throughout the ST- 100 bed | |
| Support Bed over Underdrain (Gravel, Anthracite, etc.) | |
| Adequate Free board to allow for bed expansion when backwashed. | |
| Air Eliminator to remove entrained gases from media bed. | |
| Access to mechanical vacuum or sluice water for spent media removal. | |
| Distributor or Splash Plate. | |
| Flow Rate: | 5 gpm/ft2 max. |