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Brief Introduction
ULP 4040 RO Membrane is mainly used for the desalination of surface water, groundwater and municipal water with a salt content of up to 2000mg/L.
Its application areas include packaged drinking water, subdivision or park water supply, food and beverage, etc. It has the characteristics of high water production, low operating pressure and good desalination performance.
Specifications and Major Properties
Model | Average Permeated Flow GPD (m3/d) | Stable Rejection Rate (%) | Minimum Rejection Rate (%) |
IU21-8040 | 11500(45.7) | 99.0 | 98.5 |
IU22-8040 | 10500(39.7) | 99.5 | 99.0 |
IU11-4040 | 2600(9.1) | 99.0 | 98.5 |
IU-HR-4040 | 2000(7.6) | 99.6 | 99.3 |
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%
Extreme Operation Conditions
Max. Working Pressure: 600psi(4. 14Mpa)
Max. Feedwater Flow: 75gpm(17 m3/h) (8040)
16gpm (3.6 m3/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)
Dimensions of Membrane Element
All dimensions are shown in: millimeter (inch)
Brief Introduction
ULP 4040 RO Membrane is mainly used for the desalination of surface water, groundwater and municipal water with a salt content of up to 2000mg/L.
Its application areas include packaged drinking water, subdivision or park water supply, food and beverage, etc. It has the characteristics of high water production, low operating pressure and good desalination performance.
Specifications and Major Properties
Model | Average Permeated Flow GPD (m3/d) | Stable Rejection Rate (%) | Minimum Rejection Rate (%) |
IU21-8040 | 11500(45.7) | 99.0 | 98.5 |
IU22-8040 | 10500(39.7) | 99.5 | 99.0 |
IU11-4040 | 2600(9.1) | 99.0 | 98.5 |
IU-HR-4040 | 2000(7.6) | 99.6 | 99.3 |
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%
Extreme Operation Conditions
Max. Working Pressure: 600psi(4. 14Mpa)
Max. Feedwater Flow: 75gpm(17 m3/h) (8040)
16gpm (3.6 m3/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)
Dimensions of Membrane Element
All dimensions are shown in: millimeter (inch)
RO Membranes in the SpotlightAt the 137th Canton Fair, our reverse osmosis membranes drew significant attention from industries seeking reliable filtration. Highlights included:Industrial RO Membranes – For wastewater treatment, desalination, and food/beverage processing.Household RO Membranes – Aff
Despite the ongoing trade tensions between China and the U.S., we remain steadfast in our commitment to delivering excellence in water treatment solutions. We warmly invite you to Booth #1472 at the 2025 WQA Convention & Exposition.Why You Can't Miss Booth #1472: Industrial RO Membranes – High-perfo
We are delighted to invite you to the 137th China Import and Export Fair (Canton Fair), taking place from April 15–19, 2025, in Guangzhou, China. As a trusted authorized agent of Vontron RO membranes, we will showcase our high-quality industrial and household reverse osmosis (RO) membranes at Booth