Product Overview
The RO Membrane 4021, manufactured by MD, is a high-performance, ISO 9001:2015 certified reverse osmosis membrane designed for efficient and reliable water purification. Featuring high-quality construction, it delivers consistent performance, making it an ideal and versatile solution for both residential and light industrial water treatment applications.
Product Specifications
|
Parameter
|
Value
|
|
Membrane Type
|
Thin-Film Composite (TFC)
|
|
Nominal Capacity
|
2,000 gallons per day
|
|
Dimensions (Length x Diameter)
|
25 inches x 4 inches
|
|
Maximum Operating Pressure
|
600 psi
|
|
Maximum Operating Temperature
|
113°F (45°C)
|
|
pH Range
|
2-11
|

| Model |
RU-4021-1000 |
| Salt Rejection(%) |
98.5% |
| Permeate Flow GPD(m³/d) |
1000(3.79) |
| Effective Membrane Area ft² (m²) |
36(3.3) |
| Operating Pressure psi(Mpa) |
150(1) |
| Max Operating Pressure psi(Mpa) |
600(4.14) |

| Model |
A/mm |
B/mm |
C/mm |
D/mm |
| RU-4021-1000 |
533 |
99.7 |
19 |
26.7 |
Product Features
· High Efficiency: The RO Membrane 4021 offers exceptional water purification efficiency, effectively removing contaminants such as dissolved solids, heavy metals, and microorganisms.
· Excellent Salt and TDS Rejection: High rejection rate ensures the removal of salts, Total Dissolved Solids (TDS), and other impurities.
· Durable Construction: Built with high-quality materials, the membrane ensures long-lasting performance and reliability.
· Low Energy Consumption: Operates efficiently to reduce overall power usage without compromising output.
· Easy Installation & Maintenance: User-friendly design simplifies installation, routine maintenance, and replacement.
· Standard 4021 Size: Provides high production capacity suitable for industrial and commercial applications.
· Clean and Safe Water: Delivers pure and high-quality water, meeting the stringent requirements of industrial applications.
· Cost-Effectiveness: Offers long-term cost savings by reducing maintenance and replacement costs while providing reliable water purification performance.

Working Principle
The RO Membrane 4021 utilizes a semi-permeable membrane to separate dissolved solids, organic compounds, and other impurities from water. With the application of pressure, water molecules pass through the membrane, while contaminants are left behind, resulting in purified water.

Applications
· Industrial: Ideal for large-scale water purification applications such as power plants, manufacturing facilities, and municipal water treatment plants.
· Desalination: Used in brackish water desalination plants to produce potable water and process water for industrial use.
The RO Membrane 4021 is a reliable solution for large-scale industrial water purification needs, offering superior performance, durability, and efficiency. Whether for power generation, manufacturing, or municipal water treatment, it provides clean, safe, and high-quality water for various industrial applications.

OEM Services
MD offers OEM services, providing customized RO Membrane 4021 products tailored to the specific needs of our customers. We ensure high-quality manufacturing and timely delivery of OEM orders. For inquiries regarding OEM services, please contact us at info@md-desalination.com.
Frequently Asked Questions
Q: Is the RO Membrane 4021 suitable for high-salinity water?
A: The RO Membrane 4021 is specifically designed for brackish water with moderately high salinity. It is widely used in industrial and municipal applications to effectively remove dissolved salts and contaminants.
Q: What is the lifespan of the RO Membrane 4021?
A: The lifespan depends on specific operating conditions, but with proper maintenance and pre-treatment, it can typically last 2 to 4 years.
Q: Can the RO Membrane 4021 be used for seawater desalination?
A: No. While it can remove a significant portion of salts, the RO Membrane 4021 is designed for brackish water. For complete seawater desalination, we recommend our specialized high-pressure seawater desalination membranes.
About MD
MD is a professional manufacturer and supplier of RO Membrane 4021 products. We offer a wide range of standard and customized membranes, certified for various applications. Our products undergo comprehensive testing and are backed by complete documentation. We provide quick delivery, secure packaging, and comprehensive testing support. Contact us at info@md-desalination.com for inquiries related to our products and services.