2025 Armtec First Defense® FD-3HC
- Year 2025
- Make Armtec
- Model First Defense®
2025 Armtec First Defense® FD-3HC
2025 Armtec First Defense® FD-3HC
The First Defense® High Capacity is an enhanced vortex separator that combines an effective stormwater treatment chamber with an integral peak flow bypass. It efficiently removes total suspended solids (TSS), metals, trash and hydrocarbons from stormwater runoff without washing out previously captured pollutants.
Features may include:
Environmental Protection- Treats stormwater to remove sediment, metals, litter and floatables
- Suitable for single or multiple inlet pipes and inlet grates
- Proven to prevent pollutant washout at up to 450% of its treatment flow
- Internals delivered to site pre-assembled and ready for installation
Hydraulics
Hydraulic Flow
Typical TSS Treatment Flow Rates: NJDEP Sump Floor Certified: 23.7 Ls/ 0.84 cfs | 106µm: 45.3 Ls/ 1.60 cfs | Peak Online Flow Rate: 424 Ls/ 15 cfs
Dimensions
Dimensions
Diameter: 0.9 mm/ 3 ft | Maximum Pipe Diameter: 457 mm/ 18 in | Minimum Distance from Outlet Invert to Top of Rim: 0.6 - 1.0 m/ 2.0 - 3.5 ft | Standard Distance from Outlet Invert to Sump Floor: 1.13 m / 3.71 ft
Capacities
Oil capacity
473 L/ 125 gal
Storage Capacity
Sediment: 0.3 m3/ 0.4 yd3