TW30-2540 Tap Water RO Membrane Element | Low Pressure Domestic Water Purification Membrane
Introduction:To create efficient, stable and low-cost domestic and commercial tap water purification systems, we provide a complete set of water pretreatment equipment including high-precisionLiquid Filters and fully automatic Self Cleaning Filter, which effectively remove impurities and protect RO membrane elements from premature fouling and damage. The TW30-2540 tap water RO membrane is a newly optimized professional water purification element specially designed for municipal tap water and low-mineral domestic water sources. Different from traditional brackish water and seawater membranes with excessive pressure resistance and redundant performance, this 2.5×40 inch membrane adopts customized low-pressure hydrophilic membrane formula, focusing on tap water dechlorination, impurity removal and slight desalination. It features low operating pressure, high water flux and low fouling rate, perfectly matching small commercial water purifiers, community water stations and domestic centralized water treatment equipment, and is an ideal cost-effective replacement for imported tap water-grade RO membranes.
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Product Introduction
The TW30-2540 tap water dedicated RO membrane is a professional low-pressure water purification element tailored for municipal tap water treatment scenarios, filling the market gap of special membrane elements for domestic water purification. Most general-purpose brackish water RO membranes have excessive performance redundancy and high operating pressure for tap water, resulting in wasted energy and increased operating costs. In contrast, the TW30-2540 membrane optimizes the membrane pore structure and permeability, achieving high-efficiency water production and purification under low driving pressure. To ensure long-term stable operation and consistent water quality output, supporting graded pretreatment with Liquid Filters and Self Cleaning Filter is essential to intercept residual chlorine impurities, suspended particles and tiny sediments in tap water, avoiding membrane surface aging and blockage. With standard 2540 universal size, stable purification performance and excellent antifouling ability for daily water sources, this membrane has become the preferred core filter element for commercial water vending machines, community water purification projects and small-scale domestic water treatment systems.
Product Overview
Municipal tap water usually contains residual chlorine, trace heavy metals, tiny colloids, calcium and magnesium ions and other impurities, which will affect the taste and safety of domestic water. General industrial RO membranes are designed for high-salinity brackish water and seawater, with high operating pressure and high energy consumption, which are not suitable for long-term tap water purification. The TW30-2540 tap water special RO membrane is developed for the water quality characteristics of urban and rural tap water. It adopts upgraded hydrophilic polyamide thin film composite material, which has targeted interception effect on trace impurities in tap water. The optimized low-resistance membrane surface greatly reduces water flow resistance, realizing energy-saving and high-efficiency water production. It has strong tolerance to residual chlorine fluctuation and slight water quality change in tap water, with stable flux and low performance attenuation. After strict factory testing and screening, each membrane element has consistent quality, which can fully meet the long-term continuous operation requirements of various domestic and small commercial tap water purification equipment.
Working Principle
The TW30-2540 tap water RO membrane follows the low-pressure driven reverse osmosis separation principle suitable for domestic water purification. Under stable low operating pressure, tap water evenly flows through the spiral-wound membrane surface. The dense nano-scale polyamide active layer forms a precise purification barrier, which can effectively intercept trace heavy metals, residual chlorine derivatives, water scale ions, organic peculiar smell substances and colloidal impurities in tap water. Only pure water molecules pass through the membrane layer to form fresh and clean purified water, while intercepted impurities and concentrated water are discharged separately. Matched with front-end Liquid Filters and Self Cleaning Filter multi-stage pretreatment system, it can effectively reduce tap water turbidity, remove large particle impurities and residual pollutants, stabilize feed water quality, prevent membrane surface fouling and aging failure, and greatly extend the service life and stable operation cycle of the tap water RO membrane.
Technical Specifications
Item | Parameter |
|---|---|
Product Model | TW30-2540 Tap Water Special RO Membrane |
Membrane Type | Low Pressure Domestic Water Purification Thin Film Membrane |
Product Dimension | 2.5 inch × 40 inch |
Effective Membrane Area | 55 sq.ft |
Nominal Water Flux | 920 GPD |
Stable Salt Rejection Rate | ≥98.5% |
Standard Test Pressure | 140 psi (0.97 MPa) |
Max Operating Pressure | 300 psi (2.07 MPa) |
Max Feed Water TDS | 2000 ppm |
Operating Temperature Range | 5℃ – 45℃ |
Working pH Range | 2 – 11 (Suitable for daily chemical cleaning and maintenance) |
Feed Water SDI Requirement | ≤4.0 |
Core Advantages
1. Professional tap water targeted purification:
Specially optimized for municipal tap water quality, it can efficiently remove residual chlorine, peculiar smell, trace heavy metals and scale components, significantly improving water taste and water safety, more targeted than general brackish water membranes.
2. Low pressure energy-saving operation:
It can maintain high-efficiency water production and purification under low operating pressure, effectively reduce the load of high-pressure pumps, save long-term system power consumption, and reduce daily operation costs of water stations and commercial water equipment.
3. Excellent anti-fouling and anti-aging performance:
The hydrophilic modified membrane surface effectively resists organic fouling and residual chlorine erosion, slows down membrane aging, maintains long-term stable water flux and purification effect, and reduces cleaning and replacement frequency.
4. Universal standard size:
Adopts international standard 2.5×40 inch size, fully compatible with all mainstream 2.5-inch membrane pressure vessels and commercial water purification equipment, realizing plug-and-play direct replacement without equipment modification.
5. High cost performance for civilian projects:
Optimized formula for domestic water scenarios, no redundant industrial performance, stable quality and competitive price. It is the most suitable special membrane element for large-scale civilian water purification projects.
Application Scenarios
Community water vending machines and public drinking water purification stations
Commercial water purifiers for hotels, schools, office buildings and shopping malls
Urban and rural centralized tap water deep purification and domestic water improvement projects
Small skid-mounted tap water treatment equipment and decentralized domestic water supply systems
Beverage, food and daily chemical small factory domestic water and production auxiliary water purification
Rural tap water renovation and low-TDS shallow groundwater purification treatment
FAQ
Q1: What is the difference between TW30-2540 and ordinary ULP/LP series RO membranes?
A1: TW30-2540 is a special membrane for tap water, focusing on removing residual chlorine, peculiar smell and trace impurities in low-TDS tap water. ULP and LP series are mainly for brackish water desalination. TW30 series is more professional and energy-saving for domestic tap water purification scenarios.
Q2: Is TW30-2540 suitable for high-salinity brackish water?
A2: No. This membrane is designed for low-TDS tap water and domestic water with TDS below 2000ppm. It is not recommended for high-salinity well water and brackish water to avoid affecting service life and purification effect.
Q3: What pretreatment equipment needs to be matched?
A3: It is recommended to configure complete pretreatment systems such as Liquid Filters and Self Cleaning Filter to remove particles and residual impurities in tap water, stabilize feed water quality and protect the special tap water membrane element.
Q4: Can TW30-2540 replace ordinary 2540 RO membrane directly?
A4: Yes, it adopts standard 2540 universal size, which is fully compatible with existing membrane housings and water purification equipment, supporting direct replacement and quick commissioning.
Q5: What is the service life of TW30-2540 tap water membrane?
A5: Under standard pretreatment and stable tap water quality conditions, the service life can reach 2–3 years, with stable water production and purification performance.
Related Products
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High Salt Rejection RO Membrane for Brackish Water Treatment
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Low Pressure RO Membrane for Commercial Water Treatment Unit
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