| Model |
Operating Pressure psi (MPa) |
Permeate Flow GPD (m³/d) |
Stable Salt Rejection (%) |
Minimum Salt Rejection (%) |
| RO 2812-400 |
44-145/0.3-1 |
400 |
98 |
97 |
Test conditions: 250 ppm NaCl, pH 7.5–8.0, temperature 25±2℃, recovery rate 33±2%Maximum Operating Limits
- Max operating pressure: 150 psi (1.03 MPa)
- Max feed water temperature: 45°C
- Max feed water SDI15: 5
- Max free chlorine concentration: 0.1 mg/L
- Continuous operation feedwater pH range: 4–11
- Cleaning pH range: 2–11
- Max pressure drop per element: 15 psi (0.1 MPa)
Notes:
1. Max temperature for continuous operation at pH > 10: 35°C
2. Under certain conditions, the presence of free chlorine or other oxidants may cause irreversible damage to membranes. Pre-treatment to remove free chlorine is recommended.
