8040 Brackish Water RO Membrane Element
Introduction:8040 brackish water RO membrane element is the core filtration component for large capacity industrial reverse osmosis systems. Compared with small 4040 membrane, this 8040 model has much larger membrane area and higher water output, which can greatly reduce the total quantity of membrane elements in one set of RO equipment and save installation space. Our replacement RO membrane is manufactured under strict quality control standards. It has excellent tolerance to fluctuating raw water quality and can maintain stable desalination performance under continuous 24-hour running conditions. It is a cost-effective alternative to famous imported membrane brands, helping global buyers cut equipment operation investment without sacrificing water production quality.
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If you are sourcing replacement membrane for industrial water purification, our factory supplies premium Liquid Filters and high performance Self Cleaning Filter together with 8040 brackish water RO membrane element. This 8040 RO membrane adopts polyamide thin film composite membrane material, designed to remove dissolved salts, heavy metals, colloids and organic impurities from brackish water and well water. It delivers high salt rejection and stable permeate flow, perfectly for large scale industrial pure water production. With optimized anti-fouling structure, it slows down membrane fouling and extends service life. It is fully compatible with standard 8-inch membrane housings, widely used in industrial desalination, power plant, chemical and food beverage water treatment projects.
Product Overview
8040 brackish water RO membrane element is the core filtration component for large capacity industrial reverse osmosis systems. Compared with small 4040 membrane, this 8040 model has much larger membrane area and higher water output, which can greatly reduce the total quantity of membrane elements in one set of RO equipment and save installation space. Our replacement RO membrane is manufactured under strict quality control standards. It has excellent tolerance to fluctuating raw water quality and can maintain stable desalination performance under continuous 24-hour running conditions. It is a cost-effective alternative to famous imported membrane brands, helping global buyers cut equipment operation investment without sacrificing water production quality.
Working Principle
The RO membrane works based on reverse osmosis separation technology. When raw water is pressurized and flows along the membrane surface, pure water molecules pass through the thin composite membrane layer, while dissolved salts, heavy metal ions, suspended solids and organic contaminants are intercepted and discharged as concentrated water. The 8040 brackish water RO membrane has dense polyamide active layer, which can block most soluble mineral substances. When paired with pre-treatment filter cartridges and Liquid Filters, it effectively reduces the solid particles entering the membrane surface, minimizes particle deposition and fouling, and keeps the whole RO system running steadily for a long time.
Technical Specifications
| Item | Parameter |
|---|---|
| Model | 8040 Brackish Water RO Membrane Element |
| Membrane Material | Polyamide Thin Film Composite |
| Membrane Size | 8 inch × 40 inch |
| Effective Membrane Area | 370 sq.ft |
| Salt Rejection Rate | ≥99.2% |
| Permeate Flow Rate | 10,500 GPD |
| Max Operating Pressure | 600 psi |
| Operating Temperature Range | 5℃ ~ 45℃ |
| pH Working Range | 2 ~ 11 |
| Max Feed SDI | ≤5 |
| Compatibility | Standard 8040 membrane pressure vessel |
Core Advantages
1. High salt rejection & stable water yield:
Consistent salt removal performance for brackish water, well water and surface water, suitable for large volume pure water demand.
2. Anti-fouling membrane surface:
Optimized surface modification technology reduces adsorption of organics and colloids, lowers cleaning frequency.
3. Large filtration area:
Higher water flux per single element, reduces total membrane quantity and system cost for big projects.
4. Good chemical tolerance:
Supports regular chemical cleaning under standard pH range, easy for daily maintenance.
5. Cost-effective replacement:
Direct drop-in replacement for mainstream imported 8040 RO membranes, fast delivery and competitive factory price.
Application Scenarios
Industrial brackish water and well water desalination
Power plant boiler feed water preparation
Electronics factory ultra-pure water production
Food & beverage process pure water treatment
Chemical industry process water purification
Municipal water reuse and water recycling projects
FAQ
Q1: What raw water type is this 8040 RO membrane suitable for?
A1: It is designed for brackish water, river water and underground well water. Not recommended for high TDS seawater without special seawater RO membrane.
Q2: Can this 8040 membrane replace well-known international 8040 RO membrane directly?
A2: Yes, same dimension and connection structure, drop-in replacement for standard 8-inch membrane housings.
Q3: What pretreatment is required before feeding water into RO membrane?
A3: Raw water needs pretreatment, including sediment filter, high flow filter cartridge and security filter, to control SDI below 5 and protect RO membrane.
Q4: What is the expected service life of 8040 RO membrane?
A4: Normally 2-3 years under correct pretreatment, proper dosing and regular maintenance.
Q5: Do you supply complete RO water treatment system besides RO membrane elements?
A5: Yes, we can provide full set RO system, membrane housings, filter cartridges and related spare parts for water treatment projects.
Related Products
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High Salt Rejection RO Membrane for Brackish Water Treatment
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