Model |
Adapted Pressure(psi/Mpa/bar) |
Salt Rejection(%) |
Flow Rate(GPD/m/d) |
Effective Membrane(ft²/m²) |
Boron Rejection(%) |
Size(inch) |
SW4021-LE |
800/5.52/55.2 |
99.5 |
640/2.4 |
33/3.1 |
|
4.0*21 |
SW2521-LE |
240/0.9 |
12/1.1 |
2.5*21 |
SW2540-LE |
540/2.0 |
28/2.6 |
2.5*40 |
SW4021-HR |
99.6 |
540/2.0 |
33/3.1 |
4.0*21 |
SW2521-HR |
190/0.72 |
12/1.1 |
2.5*21 |
SW2540-HR |
450/1.7 |
28/2.6 |
2.5*40 |
SW4021-HRLE |
99.6 |
640/2.4 |
33/3.1 |
4.0*21 |
SW2521-HRLE |
240/0.9 |
12/1.1 |
2.5*21 |
SW2540-HRLE |
540/2.0 |
28/2.6 |
2.5*40 |
SW4040-HR |
99.7 |
1180/4.5 |
82/7.6 |
4.0*40 |
SW8040-HR |
99.8 |
6900/26 |
400/37 |
92 |
8.0*40 |
SW8040-HRP |
7500/28 |
440/41 |
8.0*40 |
SW4040-HRLE |
99.7 |
1450/5.5 |
82/7.6 |
|
4.0*40 |
SW8040-HRLE |
99.8 |
7500/28 |
400/37 |
92 |
8.0*40 |
SW8040-HRLEP |
8200/31 |
440/41 |
8.0*40 |
SW8040-HRFR |
99.8 |
6000/23 |
400/37 |
8.0*40 |
SW4040-XHR |
99.75 |
1180/4.5 |
82/7.6 |
|
4.0*40 |
SW8040-XHR |
99.82 |
6000/23 |
400/37 |
92 |
8.0*40 |
SW8040-XHRP |
6600/25 |
440/41 |
8.0*40 |
Versatile Applications
Applicable Industries: Expertly engineered with precision to ensure optimal commercial applications, our SW2540 RO Membrane - HJC Model is designed to meet the most demanding performance standards.
Application: Masterfully crafted for high TDS film membrane applications, our SW2540 RO Membrane delivers unparalleled performance, ensuring maximum efficiency and reliability in every use.
Active Membrane Area: Boasting an impressive 31.97 ft², this membrane is meticulously designed to maximize efficiency, enhance output, and boost overall productivity.
Average Permeated Flow: Featuring a stellar 800GPD flow rate, this system ensures consistent, reliable, and efficient water processing capabilities for your peace of mind.
Stable Rejection Rate: With a consistently high rejection rate of 96%-97%, our SW2540 RO Membrane guarantees superior water quality with each and every use, ensuring the highest standards of purity.
Function: Efficiently engineered to remove COD, BOD, and NH-N, this membrane significantly enhances overall water purity, ensuring crystal clear water output.
Home RO membrane options available: Choose from a variety of variants, including 75GPD, 100GPD, 150GPD, and 200GPD, to find the perfect personalized solution for your household needs.
Commercial RO membrane ranges include: Available in 300GPD, 400GPD, 600GPD, and 800GPD options, these membranes are designed to meet diverse commercial demands with ease and efficiency.
Industrial membrane models offered: Choose from an array of models including 2521, 2540, 4021, 4040, and 8040, each tailored to address a wide range of industrial requirements effectively.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously crafted for municipal water, tap water, and well water applications. They deliver outstanding desalination treatment, making them an ideal choice for premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring reliable operations, ultimate satisfaction, and peace of mind with every use.
2. Experience the benefits of low operating pressure and superior cost-effectiveness, making it a smart investment that optimizes your resources and maximizes your savings.




SAND.K is fervently committed to advancing water environmental technology, leveraging a global supply chain system to spearhead transformative innovation across the industry and bring groundbreaking solutions to the forefront. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our steadfast dedication extends across borders through e-commerce, serving global customers in emerging markets with unmatched commitment and service excellence.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders. We are dedicated to setting the benchmark in quality and innovation. By leveraging extensive data analysis, we craft custom solutions for regions facing high-salinity water challenges, setting the standard for excellence in water treatment solutions and leading the charge in innovative development.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving innovation and progress forward. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value, strategic benefits, and a clear edge over the competition.

QUESTION |
ANSWER |
Are you a factory or trading company? |
Yes, we have our own factory. |
Can you offer OEM service? |
Yes, OEM is OK. |
Can I get samples from you factory? |
Sure. We are pleased to. |
What would you do if some quality problem occur? |
We will be responsible to all quality problem. |