Brief Introduction
The High TDS Water Filmtec Industrial 4040 8040 RO Membrane blocks all dissolved salts and organic matter with a molecular weight greater than 100, and its desalination rate is greater than 95%, removing organic matter, micro-organisms, viruses and most ions from the water, and is used in household water purification to ensure safe drinking water.
Specifications and Major Properties
Model | Average Permeated Flow GPD (m3/d) | Stable Rejection Rate (%) | Minimum Rejection Rate (%) |
IWL 21-8040 | 10000(37.8) | 99.5 | 99.2 |
IML 22-8040 | 1 1000(41.5) | 99.5 | 99.2 |
IWL 21-4040 | 2500(9.4) | 99.5 | 99.2 |
Testing Conditions:
Testing Pressure: 225 psi (1.55Mpa)
Temperature of Testing Solution: 25°C
Concentration of Testing Solution (NaCl): 2000ppm
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 T emperature: 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)
A wide range of industrial applications
Reverse osmosis membranes play an important role in the pharmaceutical and medical industries, the electronics industry, the chemical industry, textiles, energy, metallurgy and other industries, desalination of seawater and brackish water, boiler feed water, industrial pure water and electronic pure water preparation, drinking pure water production, waste water treatment and special separation processes, and are precision liquid separation products.
Brief Introduction
The High TDS Water Filmtec Industrial 4040 8040 RO Membrane blocks all dissolved salts and organic matter with a molecular weight greater than 100, and its desalination rate is greater than 95%, removing organic matter, micro-organisms, viruses and most ions from the water, and is used in household water purification to ensure safe drinking water.
Specifications and Major Properties
Model | Average Permeated Flow GPD (m3/d) | Stable Rejection Rate (%) | Minimum Rejection Rate (%) |
IWL 21-8040 | 10000(37.8) | 99.5 | 99.2 |
IML 22-8040 | 1 1000(41.5) | 99.5 | 99.2 |
IWL 21-4040 | 2500(9.4) | 99.5 | 99.2 |
Testing Conditions:
Testing Pressure: 225 psi (1.55Mpa)
Temperature of Testing Solution: 25°C
Concentration of Testing Solution (NaCl): 2000ppm
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 T emperature: 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)
A wide range of industrial applications
Reverse osmosis membranes play an important role in the pharmaceutical and medical industries, the electronics industry, the chemical industry, textiles, energy, metallurgy and other industries, desalination of seawater and brackish water, boiler feed water, industrial pure water and electronic pure water preparation, drinking pure water production, waste water treatment and special separation processes, and are precision liquid separation products.
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