Model |
Adapted Pressure(psi/Mpa/bar) |
Salt Rejection(%) |
Flow Rate(GPD) |
Effective Membrane(ft²/m²) |
Size(inch) |
BW-RU4021 |
150/1.03/10.3 |
99.2 |
1000 |
36/3.3 |
4.0*21 |
BW-RU4040 |
2800 |
90/8.4 |
4.0*40 |
BW-RU8040 |
11300 |
400/37.2 |
8.0*40 |
BW-RL4021 |
225/1.55/15.5 |
99.6 |
900 |
36/3.3 |
4.0*21 |
BW-RL4040 |
2500 |
90/8.4 |
4.0*40 |
BW-RL8040 |
11000 |
400/37.2 |
8.0*40 |
BW-RX4040 |
100/0.69/6.9 |
99.2 |
2600 |
90/8.4 |
4.0*40 |
BW-RX8040 |
12000 |
400/37.2 |
8.0*40 |
RU8040-LDP34 |
150/1.03/10.3 |
99.6 |
10500 |
400/37.2 |
8.0*40 |
RL8040-OP10 |
225/1.55/15.5 |
99.7 |
11000 |
400/37.2 |
8.0*40 |
FR4040 |
99.5 |
2200 |
90/8.4 |
4.0*40 |
Versatile Applications
Applicable Industries: Expertly engineered to achieve peak performance in Commercial Use, our product seamlessly integrates into various industrial settings, ensuring efficiency and reliability.
Application: Specifically crafted to excel in high TDS film membrane applications, our product ensures exceptional performance, meeting the most demanding water treatment challenges with ease.
Active Membrane Area: With a significant 31.97 ft² of active membrane area, this design is tailored to maximize operational efficiency and boost output like never before.
Average Permeated Flow: Featuring an outstanding 800GPD, our system guarantees consistent, reliable water processing to meet your needs, every time.
Stable Rejection Rate: Achieving a highly stable rejection rate of 96%-97%, our membranes ensure remarkable water quality, providing peace of mind with each use.
Function: Designed to efficiently eliminate COD, BOD, and NH-N, our system significantly enhances water purity, offering improved quality with every cycle.
Home RO membrane options available: Select from our tailored range of 75GPD, 100GPD, 150GPD, and 200GPD models, designed to provide personalized water solutions for your home needs.
Commercial RO membrane ranges include: Our collection spans 300GPD, 400GPD, 600GPD, and 800GPD models, crafted to meet a full spectrum of commercial demands efficiently.
Industrial membrane models offered: Available in 2521, 2540, 4021, 4040, and 8040 models, our industrial membranes cater to a diverse array of industrial applications, ensuring comprehensive solutions.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously crafted for diverse water sources including municipal, tap, and well water. They excel in desalination treatments, making them ideal for premium bottled water production, direct drinking water systems, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Experience remarkable large traffic flow and heightened stability, ensuring reliable performance and ultimate user satisfaction.
2. Benefit from low operating pressure and outstanding cost-effectiveness, maximizing your investment and efficiency.



SAND.K is passionately dedicated to advancing water environmental technology. We leverage a global supply chain system to drive groundbreaking innovation within the industry, setting new benchmarks for excellence. We provide comprehensive, one-stop solutions focused on core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering commitment extends globally through e-commerce, serving customers in emerging markets with unrivaled dedication.
Our independent R&D and strong manufacturing capabilities firmly establish our position as industry leaders, ensuring the highest standards of quality and innovation. By utilizing in-depth data analysis, we create custom solutions that address high salinity water challenges, establishing a new benchmark for excellence in water treatment solutions.
Our innovative solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the pioneering reuse of treated wastewater, pushing the boundaries of innovation in the water treatment industry. Furthermore, our competitive cost advantage distinguishes us within the industry, delivering unparalleled value and strategic advantages.

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. |