The Walchin Reverse Osmosis (RO) Membrane Series is engineered using the world’s most advanced polyamide composite RO membrane technology. Manufactured with precision rolling techniques, our membranes deliver superior filtration performance, effectively removing:
✅ Organic matter, microorganisms & viruses
✅ Radioactive ions & carcinogenic factors
✅ Scale, heavy metal ions & other contaminants
Designed for municipal tap water treatment, our RO membranes provide high-efficiency water purification for home, commercial, and industrial applications.
✔ Factory-direct pricing & bulk supply
✔ OEM & customized membrane solutions
✔ Strict quality control & global export
✔ Reliable after-sales support
Performance parameters
Model |
Membrane Type |
Membrane area/ft² |
Flow GPD(m³/d) |
Stable desalination rate/% |
TW-2012-100 |
Polyamide composite membrane |
6.6 |
100(23.6) |
97 |
Water production floating range:±20%
Model/Size(mm) |
A |
B |
C |
D |
E |
TW-2012-100 |
298 |
22.2 |
17 |
47 |
239 |
Test conditions
Test solution concentration(NaCl) |
Water temperature(℃) |
pH |
Operating pressure psi(MPa) |
Recovery rate(%) |
500ppm |
25 |
7.5-8 |
70(4.8) |
35 |
Operating Limits
Maximum working pressure |
150psi(10bar) |
Maximum water inlet temperature |
45℃ |
Maximum water inlet flow |
2GPM(7.6L/min) |
Maximum water inlet SDI15 |
5 |
Maximum residual chlorine concentration(mg/L) |
0.1 |
pH Range |
2-11 |
Maximum water inlet turbidity/NTU |
1 |
Maximum allowable pressure drop of a single membrane element |
10psi(0.07MPa) |