Ultra Low Pressure (ULP) Series – Vontron Membranes

Description Specifications: Model Active Membrane Area m2 Average Permeated Flow GPD (m3/d) Stable Rejection Rate (%) Minimum Rejection Rate (%) ULP21-8040 33.9 11000 (41.6) 99.0 98.5 ULP12-8040 37.0 13200 (49.9) 98.0 97.5 ULP22-8040 37.0 12100 (45.7) 99.0 98.5 ULP32-8040 37.0 10500 (39.7) 99.5 99.0 ULP11-4040 8.4 2800 (10.6) 98.0 97.5 ULP21-4040 8.4 2400 (9.1) 99.0 98.5 ULP31-4040 8.4 1900 (7.2) 99.4 99.0 ULP11-4021 3.3 1000 (3.78) 98.0 97.5 ULP21-4021 3.3 950 (3.6) 99.0 98.5 ULP31-4021 3.3 850 (3.2) 99.4 99.0 ULP21-2521 1.3 300 (1.13) 99.0 98.5 ULP21-2540 2.6 750 (2.84) 99.0 98.5 Conversions 1 US Gallon = 3.785 Liters GPD x 3.785 / 24 hours = Liters per hour Testing Conditions: Testing Pressure: 150 psi (1.03Mpa) Temperature of Testing Solution: 25 °C Concentration of Testing Solution (NaCl): 1500ppm pH Value of Testing Solution: 7.5 Recovery Rate of Single Membrane Element: 15% (8040-size, 4040-size and 2540-size) 8% (4021-size and 2521-size) Operating Limits Max. Working Pressure: 600psi (4.14Mpa) Max. Feedwater Flow: 7.5gpm (1 700l/h) (8040) 1.6gpm (360l/h) (4040) Max. Feedwater Temperature: 45°C Max. Feedwater SDI: 5 Residual chlorine Concentration of Feedwater: <0.1ppm pH Range of Feedwater during Continuous Operation: 3~10 pH Range of Feedwater during Chemical Cleaning: 2~12 Max. Pressure Drop of Single Membrane Element: 15psi (0.1Mpa)