BW membrane element series boast exceptional high water output and superior desalination performance.
These membranes are ideal for desalination treatment of surface water, groundwater, tap water, and municipal
water sources with a salt concentration of less than 10,000 ppm.
Model |
W-BW-4040 |
Activate Membrane Ft2(m2) |
85(7.9) |
Operational pressure psi(MPa) |
255(1.55) |
Average yield GDP(m3/d) |
2600(9..8) |
Salt rejection(%) |
99.5 |
Recovery rate(%) |
15 |
Max.Operating pressure psi(MPa) |
600psi(4.1MPa) |
Max. inflow temperature(ºC) |
45ºC |
Max.inflow SDI |
5 |
Max water flow GPM(m3/h) |
16GPM(17m3/h) |
Free *** concentration |
<0.1ppm |
PH Range of Feed Water During Continuous Operation |
2-12 |
Max. pressure drop of single element psi(MPa) |
15psi(0.1MPa) |


HeBei ChengDa Water Technology Co., Ltd. (Chengda Water Technology) was established in 1976. Spanning 20 acres, our facility houses 200 dedicated employees, including 10 expert engineers. As a high-tech enterprise, we specialize in the research, development, production, and sales of cutting-edge water treatment products.
Registered trademark brands: Winder®, Winder - G®, ARCLION®.
Brand Products: FRP Membrane Housing, FRP Softener Water Tank, ST/DTRO FRP Housing, Tubular Membrane Housing, High Flow Cartridge Filter Housing, Online Cleaning Pressure Vessels, Quick Dismantle FRP Membrane Housing, Reverse Osmosis Membrane Elements; Filter Housing, Custom FRP Tanks, Mixed Bed Tanks (Ion Exchange Tanks), PE Brine Tanks, Oxygen Cones, Nitrogen Sealed Water Tanks, Filter Sand Tanks, Ion Exchange Resins, Water Distributors, and a wide array of other water treatment solutions.
Chengda Water Technology adheres to the corporate motto: 'Higher Technology, Cleaner Water, Cleaner Future.' Our R&D team collaborates with Wuhan University of Technology to leverage advanced winding equipment and production techniques, crafting world-class products.
Our products meet rigorous standards, including CE certification, ASME certification, NSF certification, the international ISO9001 quality management system certification, and domestic hygiene approval documents. With numerous self-developed products and manufacturing equipment, we stand as a leader in the water treatment FRP pressure vessel industry.
1. Q: Can you offer samples before mass order? Are they free or extra? A: Yes, we kindly provide samples for your confirmation. The samples are free; you only need to cover the freight cost. Please contact us for further details.
2. Q: Can I visit your factory? A: Absolutely, we welcome you to visit our factory.
3.
Q: What is the lead time for mass production?
A:Our standard production time is 10-15 days for regular models.3*40HQ.
4. Q: Can you put our logo on the product?
A: Yes, certainly. We can place your logo on the product.