Products Description
- Sanitary nanofiltration membranes provide selective separation for dissolved materials. They efficiently reject multivalent ions and organic matter with controlled permeation of monovalent salts.
- Boasting comparatively low operational pressure and limited energy footprint, nanofiltration delivers budget‑efficient treatment for softening, organic contaminant removal and partial desalination under hygienic production scenarios.
Product Features
- Upgraded polyamide membrane skin boosts salt‑retaining capability and sustains consistent flux output over operation cycles.
- Upgraded anti‑fouling attributes contribute to a prolonged operating cycle.
- Tolerates an extensive cleaning pH spectrum, granting greater operational flexibility.
Nanofiltration membrane performance parameters
| model | NFA-8040/34SU | NFB-8040/34SU |
|
Molecular cut off |
200-300 Da | 500-800 Da |
|
Diaphragm Material |
Piperazine |
|
|
Membrane area (ft2/m2) |
365(34)±3% |
|
|
Temperature tolerance (°C) |
≤45 |
|
|
Single membrane pressure differential (psi/bar) |
6-10(0.4-0.7) |
|
| Regular Service pH |
2-10 |
|
|
Clean pH |
1-13 |
|
|
Residual chlorine tolerance (ppm) |
≤0.1 |
|
|
Maximum inflow SDI |
≤5 |
|
|
Customizable size |
1812/3838/4038/4040/8038/8040 |
|
Product size parameter



|
Membrane element size |
A (±2.0mm) |
B (±0.5mm) |
C (±0.1mm) |
|
1812 |
305 |
15.7 (inner diameter) |
45 |
|
3838 |
965 |
21.0 (outer diameter) |
97 |
|
4038 |
965 |
12.8 (outer diameter) |
100 |
|
8040 |
1016 |
28.8 (inner diameter) |
200 |
About Us
In Integrated Solutions
Established in 2019 in Hangzhou, China, Hangzhou Nanoimp Environmental Technology Co., Ltd. concentrates on the R&D, manufacturing and innovation of advanced separation membranes, providing complete solutions for material separation and wastewater resource recycling.Supported by in‑house production capacity, this China NF 8040 factory offers complete membrane solutions for water softening, organic removal and wastewater resource recovery.
Nanoimp operates multiple autonomous branch facilities. Its Foshan Branch concentrates on the fabrication of municipal water treatment equipment, while the Haining Branch undertakes PTFE MBR product manufacturing.

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