| Model |
Operating Pressure psi (MPa) |
Permeate Flow GPD (m³/d) |
Stable Salt Rejection (%) |
Minimum Salt Rejection (%) |
| RO 1812-75 |
65 (0.45) |
75 |
98 |
97 |
| RO 1812-150 |
100 (0.69) |
150 |
98 |
97 |
| RO 1812-200 |
100 (0.69) |
200 |
98 |
97 |
| RO 3012-400 |
80 (0.55) |
400 |
97 |
96 |
| RO 3012-600 |
100 (0.69) |
600 |
97 |
96 |
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.