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, our SW2521 RO Membrane by HJC is tailored for peak performance in commercial settings, ensuring efficiency and reliability.
Application: Engineered with precision for high TDS film membrane applications, this product assures superior performance and outstanding results.
Active Membrane Area: With a remarkable 31.97 ft², this design is dedicated to optimizing efficiency and significantly boosting output.
Average Permeated Flow: Achieving an impressive 800GPD, this product guarantees consistent and reliable processing for optimal water treatment.
Stable Rejection Rate: Maintain exceptional water quality with a high and steady rejection rate of 96%-97%, ensuring top-tier water purification every time.
Function: Expertly removes COD, BOD, and NH-N, dramatically improving water purity and enhancing environmental quality.
Home RO membrane options available: Choose your perfect fit from 75GPD, 100GPD, 150GPD, and 200GPD variants to meet specific residential needs.
Commercial RO membrane ranges include: Our lineup of 300GPD, 400GPD, 600GPD, and 800GPD addresses a spectrum of commercial requirements with precision.
Industrial membrane models offered: Available in 2521, 2540, 4021, 4040, and 8040, these solutions cater to diverse industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously crafted commercial RO components excel in municipal, tap, and well water applications, delivering top-notch desalination. They are essential in premium bottled water, direct drinking water systems, food processing, and pharmaceutical production, among other uses.
Product advantages
1. Experience exceptional traffic and stability, ensuring seamless operations and unmatched satisfaction with every use.
2. Benefit from low operating pressure paired with excellent cost-efficiency, maximizing your investment value.




Sandmonk Technology Co., Ltd. is dedicated to pioneering water environmental advancements. With a robust global supply chain, we lead transformative innovation in the industry. We offer all-encompassing solutions for core components, expertly customized for small to medium-sized manufacturers. Our commitment extends worldwide through e-commerce, catering to emerging market demands with exceptional service.
Our independent R&D and strong manufacturing prowess firmly establish us as leaders in the industry. By harnessing extensive data analysis, we deliver tailored solutions for regions with high salinity water challenges, setting benchmarks for excellence in water treatment.
Our dynamic solutions cover seawater desalination, waste leachate treatment, drinking water purification, and promoting the reuse of treated wastewater, continuously driving innovation. Additionally, our competitive cost advantage distinguishes us in the industry, providing unmatched value and strategic benefits.

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. |