Model |
Pressure(psi/Mpa) |
Effective Membrane Area(ft²/m²) |
Flow Rate(GPD/m/d) |
Salt Rejection(%) |
Type OfSolution |
NF90-4040 |
70/.0.48 |
82/7.6 |
1400/5.3
2000/7.6 |
85-95
≥99 |
NaCL
MgSO4 |
NF90-8040 |
400/37 |
7500/28.4 |
85-95 |
NaCL |
10000/38 |
≥99 |
MgSO4 |
NF150-4040 |
82/7.6 |
1610/6.1
1910/7.2 |
50-70
≥99 |
NaCL
MgSO4 |
NF150-8040 |
400/37 |
8250/31.2 |
50-70 |
NaCL |
9780/36.8 |
≥99 |
MgSO4 |
NF280-4040 |
82/7.6 |
2925/11.1 |
40-60 |
NaCL |
2500/9.4 |
≥97 |
MgSO4 |
NF280-8040 |
400/37 |
14700/55.6 |
40-60 |
NaCL |
12500/47.3 |
≥97 |
MgSO4 |
NF500-4040 |
82/7.6 |
2700/10.2 |
≥90 |
MgSO4 |
NF500-8040 |
400/37 |
13200/50 |
≥90 |
MgSO4 |
Versatile Applications
Applicable Industries: Impeccably engineered for seamless integration in Commercial Use, our product redefines benchmarks, setting a new standard for unparalleled excellence.
Application: Specifically designed for high TDS film membrane applications, our product guarantees exceptional and reliable performance, making every operation flawlessly smooth.
Active Membrane Area: Featuring an extraordinary design with 31.97 ft² of active membrane area, it maximizes productivity and efficiency, propelling operational output to unprecedented heights.
Average Permeated Flow: A robust powerhouse ensuring a remarkable 800GPD, delivering consistent and robust water processing capabilities that uphold the highest industry standards.
Stable Rejection Rate: Attains an outstanding rejection rate of 96%-97%, consistently delivering superior water quality that surpasses expectations cycle after cycle.
Function: Efficiently eliminates COD, BOD, and NH-N, significantly enhancing water purity and quality, revolutionizing water treatment solutions.
Home RO membrane variants available: Delivering precision-tailored options of 75GPD, 100GPD, 150GPD, and 200GPD, designed to meet a wide range of personal and household needs.
Commercial RO membrane ranges include: Offering supreme selections of 300GPD, 400GPD, 600GPD, and 800GPD, effortlessly accommodating diverse commercial requirements.
Industrial membrane models offered: Available in models 2521, 2540, 4021, 4040, and 8040, each meticulously crafted to fulfill the varying demands of the industrial sector.
Commercial Reverse Osmosis Element Main Application Areas
Our expertly crafted commercial reverse osmosis membrane components are ideal for municipal water, tap water, and well water applications. They provide unmatched desalination treatment, making them the superior choice for elite bottled water, direct consumption, food processing, pharmaceutical production, and more.
Product Advantages
1-HJC NANO membrane-- UNCOMPROMISING QUALITY/SUPERIOR MATERIALS
2-Exceptional service paired with competitive pricing for nano membrane solutions
3-Exquisite durability and visually appealing design for nano membrane
4-Salt rejection rate ranges from 30%-50%
5-OEM services: CUSTOMIZED BASED ON CLIENT NEEDS (FREE design, LABELING, PACKAGING, SIZE OF NANO MEMBRANE)








Sandmonk Technology Co., Ltd., fondly referred to as SAND.K, is at the forefront of water environmental technology innovation. By harnessing a global supply chain, we elevate industry standards through pioneering advancements. We deliver comprehensive, turnkey solutions crafted specifically for small to medium-sized equipment manufacturers. Our commitment is mirrored in our cross-border e-commerce initiatives, extending our global reach into burgeoning regions.
With cutting-edge independent research and development coupled with robust manufacturing prowess, we are pioneers within our industry. Through meticulous data analysis, we provide tailor-made solutions for regions grappling with high salinity water challenges, setting new standards in water treatment excellence.
Our holistic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. Additionally, our competitive pricing presents a substantial industry advantage, delivering unrivaled value to our clients.

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. |