Hydranautics ESPA2-4040 Reverse Osmosis Membrane
The ESPA2-4040 reverse osmosis membrane is an excellent choice for your new water purification machine project or for replacement of any 4040inch RO membrane brand. It boasts excellent filtration capabilities that help to ensure that your water is of the highest quality. You can rest assured that this membrane will remove a wide range of contaminants, including bacteria, viruses, and other impurities, giving you pure and fresh drinking water. One of the best things about this membrane is that it’s incredibly easy to install and operate. Even if you don’t have any technical expertise, you can set it up within a few minutes and start benefiting from its outstanding performance. If you’re looking for a reliable and sustainable source of water, then the ESPA2-4040 reverse osmosis membrane is the solution you need.
| Model: | ESPA2-4040 |
| Salt rejection: | 99.6% |
| Effective membrane area: | 7.9㎡ |
| Test pressure: | 15.5bar |
| Capacity: | 1,900GPD |
| Membrane type: | T.F.C |
| PH range for continue working: | 2-11 |
| Brand Name: | Hydranautics |
| Condition: | New |
| Size: | 100*100*1000mm |
| Weight: | 4KG |
| Material: | CARTON |
| Applicable Industries: | Hotels, Manufacturing Plant, Food & Beverage Factory, Farms, Restaurant, Home Use, Food & Beverage Shops |
| Deet sheet | |
Typical Properties
| Product | Active area ft²(m²) | Permeate flow rategpd(m³/d) | Stabilized salt rejection(%) |
| ESPA2-4040 | 85(7.9) | 1900(7.2) | 99.6 |
Element Dimensions

Replacable model for each Brand RO membrane
| DOW Filmtec | Hydranautics | Toray | Daltonen | Vontron | CSM | LG | |
| 4inch backwash RO membrane | BW30PRO-4040 | CAP2-4040 | TM710D | BW4040PRO | LP21-4040 | RE4040-BE | BW 4040 R |
| 8inch brackish RO membrane | BW30PRO-400 | CAP3-LD | TM720D-400 | BW8400PRO | LP21-8040 | RE8040-BE | BW 400 R Dura |
| 8inch brackish RO membrane Fouling Resistant | BW30FR-400 | LFC3-LD | TML20D-400 | FR8400 | FR12-8040 FR22-8040PRO | RE8040-FEN | BW 400 AFR |
| 8inch sea water RO membrane | SW30HR-380 | SWC5-LD | TM820M-400 TM820V-400 | SW8400HR SW8400HRLE | SW8040HR-400 | RE8040-SHA400 RE8040-SHF | SW 400 SR SW 400 R |
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