Dow RO membrane elements offer superior quality and performance for the separation of contaminants in concentrated water resulting in purified, clean drinking water.
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DOW reverse osmosis (RO) membranes for home drinking water treatment units are among the most reliable and consistent elements in the industry.
Advanced membrane technology and automated fabrication allow Dow to precisely produce each and every element to tight, pre-defined specifications.
Dow’s advanced and consistent RO element quality helps customers deliver systems that reliably provide low impurity drinking water.
Specifications and main performance of membrane elements
Type | Model | Reject (%) | Average Permeate GPD (m3/d) | Working Pressure & Application | Testing Conditions | ||
Pressure psi (MPa) | Solution Concentr. (PPm) | Recovery Rate (%) | |||||
Household RO Membrane | UM1812-50 | 99.0 | 50(0.2) | Working under extremely low pressure. Applicable to residential water purifier and water purifying devices in hospital and laboratory water treatment with TDS lower than 500 ppm. | 60 (0.41) | 250 | 15 |
UM1810-50 | 97.0 | 50(0.2) | |||||
UM1812-75HR | 99.0 | 75 (0.28) | |||||
UM1812-75 | 97.0 | 75 (0.28) | |||||
UM-2012-100HR | 99.0 | 100 (0.38) | |||||
UM-2012-100 | 97.5 | 100 (0.38) | |||||
UM-2012-150 | 97.5 | 150(0.57) | |||||
Special Size RO Membrane | UM-2812-200 | 97.0 | 200(0.76) | working under extremely low pressure. Applicable to automatic water dispenser and residential drinking fountain. | 100 (0.69) | 250 | 20 |
UM-3012-300 | 97.0 | 300(1.14) | 100 (0.69) | 250 | 20 | ||
UM-3012-400 | 97.0 | 400(1.51) | 100 (0.69) | 250 | 20 | ||
UM-3013-400 | 97.0 | 400(1.51) | 100 (0.69) | 250 | 20 | ||
UM-3012-500 | 97.0 | 500(1.89) | 100 (0.69) | 250 | 20 | ||
UM-3013-500 | 97.0 | 500(1.89) | 100 (0.69) | 250 | 20 | ||
UM-3013-600 | 97.0 | 600(2.27) | 100 (0.69) | 250 | 20 | ||
UM-3013-700 | 97.0 | 700(2.65) | 100 (0.69) | 250 | 20 |
Membrane Type: Thin Film Composite
Maximum Operating Temperature: 110°F (43°C)
Maximum Operating Pressure: 125 PSI
Maximum Feed Flow Rate: 1 GPM
Minimum Concentrate Flow Rate: 4 x Permeate
pH Range, Continuous Operation: 3 - 11
Maximum Feed Water Turbidity: 1 NTU
Maximum Feed Silt Density Index (SDI): 5 SDI
Chlorine Tolerance: 0 PPM
Important information
This high quality reverse osmosis membrane is widely used in household water purifiers, aquariums and other small commercial water purification equipment.
Remove heavy metals (mainly calcium and magnesium), bacteria and any other carbonate particles from the water source.
If you would like to know more about our RO membranes, please contact us!
DOW reverse osmosis (RO) membranes for home drinking water treatment units are among the most reliable and consistent elements in the industry.
Advanced membrane technology and automated fabrication allow Dow to precisely produce each and every element to tight, pre-defined specifications.
Dow’s advanced and consistent RO element quality helps customers deliver systems that reliably provide low impurity drinking water.
Specifications and main performance of membrane elements
Type | Model | Reject (%) | Average Permeate GPD (m3/d) | Working Pressure & Application | Testing Conditions | ||
Pressure psi (MPa) | Solution Concentr. (PPm) | Recovery Rate (%) | |||||
Household RO Membrane | UM1812-50 | 99.0 | 50(0.2) | Working under extremely low pressure. Applicable to residential water purifier and water purifying devices in hospital and laboratory water treatment with TDS lower than 500 ppm. | 60 (0.41) | 250 | 15 |
UM1810-50 | 97.0 | 50(0.2) | |||||
UM1812-75HR | 99.0 | 75 (0.28) | |||||
UM1812-75 | 97.0 | 75 (0.28) | |||||
UM-2012-100HR | 99.0 | 100 (0.38) | |||||
UM-2012-100 | 97.5 | 100 (0.38) | |||||
UM-2012-150 | 97.5 | 150(0.57) | |||||
Special Size RO Membrane | UM-2812-200 | 97.0 | 200(0.76) | working under extremely low pressure. Applicable to automatic water dispenser and residential drinking fountain. | 100 (0.69) | 250 | 20 |
UM-3012-300 | 97.0 | 300(1.14) | 100 (0.69) | 250 | 20 | ||
UM-3012-400 | 97.0 | 400(1.51) | 100 (0.69) | 250 | 20 | ||
UM-3013-400 | 97.0 | 400(1.51) | 100 (0.69) | 250 | 20 | ||
UM-3012-500 | 97.0 | 500(1.89) | 100 (0.69) | 250 | 20 | ||
UM-3013-500 | 97.0 | 500(1.89) | 100 (0.69) | 250 | 20 | ||
UM-3013-600 | 97.0 | 600(2.27) | 100 (0.69) | 250 | 20 | ||
UM-3013-700 | 97.0 | 700(2.65) | 100 (0.69) | 250 | 20 |
Membrane Type: Thin Film Composite
Maximum Operating Temperature: 110°F (43°C)
Maximum Operating Pressure: 125 PSI
Maximum Feed Flow Rate: 1 GPM
Minimum Concentrate Flow Rate: 4 x Permeate
pH Range, Continuous Operation: 3 - 11
Maximum Feed Water Turbidity: 1 NTU
Maximum Feed Silt Density Index (SDI): 5 SDI
Chlorine Tolerance: 0 PPM
Important information
This high quality reverse osmosis membrane is widely used in household water purifiers, aquariums and other small commercial water purification equipment.
Remove heavy metals (mainly calcium and magnesium), bacteria and any other carbonate particles from the water source.
If you would like to know more about our RO membranes, please contact us!
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