Vontron ULP21-4021 Commercial 21" Reverse Osmosis RO Membrane
You are purchasing a Vontron ULP21-4021 21inch Commercial Reverse Osmosis RO Membrane.
This membrane is capable of producing 950 gallons of product water per day, and is ideal for Window Cleaning applications, along with Aquatics.
Working under the conditions of ultra low operating pressure, ULP membrane series can achieve as high permeated flow and rejection rate as regular low-pressure membranes can, it runs under approximately two thirds pressure of that regular low pressure compound membranes, and can achieve a rejection rate of as high as 99%.
You are purchasing a Vontron ULP21-4021 21inch Commercial Reverse Osmosis RO Membrane.
This membrane is capable of producing 950 gallons of product water per day, and is ideal for Window Cleaning applications, along with Aquatics.
Working under the conditions of ultra low operating pressure, this membrane runs under approximately two thirds pressure of that regular low pressure compound membranes, and can achieve a rejection rate of as high as 99%.
Please see detailed manufacturers specification below:
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Technical parameter for Vontron ULP21-4021 RO membrane: |
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Performance |
Stable property desalinization rate % |
99 |
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Lowest desalinization rate % |
98.5 |
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Volume GPD (m--3/d) |
950(3.6) |
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Effective membrane area ft2(m2) |
36(3.3) |
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Test condition |
Test pressure |
150pai(1.03Mpa) |
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Test fluid temperature |
25°C |
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Test fluid density (NaCl) |
1500ppm |
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Test fluid pH |
7.5 |
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Single RO membrane element recovery rate |
15% |
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Extreme operating conditions |
The maximum operating pressure |
600psi(2.07Mpa) |
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The maximum water supply temperature |
45°C |
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The maximum water supply SDI |
5 |
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free chlorine concentration in water supply |
0.1ppm |
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Water supply pH scope when continuous running |
3~10 |
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Water supply pH scope when chemical cleaning |
2~12 |
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The maximum pressure drop of single RO membrane element |
15psi(0.1Mpa) |
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