The Walchin Domestic Reverse Osmosis (RO) Membrane Series is engineered with the world’s most advanced polyamide composite RO membrane technology. Using precision membrane rolling techniques, it ensures superior water purification by effectively removing:
✅ Organic matter, microorganisms & viruses
✅ Radioactive ions & carcinogenic factors
✅ Heavy metals, scale & other contaminants
Designed for municipal tap water treatment, our RO membranes provide high-efficiency filtration, delivering clean, safe, and high-quality drinking water for households.
🔹 Customization Available! We offer OEM and bulk supply solutions tailored to your business needs. Contact us via the Chat icon for more details.
Performance parameters
Model |
Membrane Type |
Membrane area/ft² |
Flow GPD(m³/d) |
Stable desalination rate/% |
TW-3013-600 |
Polyamide composite membrane |
19.5 |
600(94.64) |
96 |
Water production floating range:±20%
Model/Size(mm) |
A |
B |
C |
D |
E |
TW-3013-600 |
333 |
22.2 |
17 |
73 |
239 |
Test conditions
Test solution concentration(NaCl) |
Water temperature(℃) |
pH |
Operating pressure psi(MPa) |
Recovery rate(%) |
500ppm |
25 |
7.5-8 |
100(6.9) |
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) |