Active Member
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[China]
Address: Room 1704, No.54 street 4, AoYuanKangWei Plaza，Xintang town, Zengcheng, Guangzhou, China
Contact name:Maggie
Guangzhou Jieming Water Treatment Equipment Co., Ltd. |
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AAA North America BW30XFR-400/34 Seawater desalination membrane Dow membrane DOW Reverse osmosis membrane dow ro membran
BW30XFR-400/34 Product Data Sheet
BW30XFR-400/34 Element
Description
Ideal for: reverse osmosis plant managers and operators dealing with
challenging waters and wastewaters and seeking consistent high
performance, long element life, increased productivity and higher water quality coupled with excellent fouling resistance.
With proven performance, BW30XFR-400/34:
Delivers the highest quality permeate water while minimizing CAPEX and OPEX
Offers the most effective cleaning performance, robustness
and durability due to its widest cleaning pH range (1 – 13) and chemical tolerance, and the support of DOW representatives
BW30XFR-400/34 Product Type
Spiral-wound element with polyamide thin-film composite membrane
BW30XFR-400/34 Typical Properties
Active Area |
Feed Spacer | Permeate Flow Rate |
Typical Stabilized |
Minimum Salt | |
| Element | (ft2) (m2) | Thickness (mil) | (GPD) (m3/d) | Salt Rejection (%) | Rejection (%) |
| BW30XFR-400/34 | 400 37 | 34-LDP | 11,500 43 | 99.65 | 99.4 |
Permeate flow and salt (NaCl) rejection based on the following standard test conditions: 2,000 ppm NaCl, 225 psi (15.5 bar), 77°F (25°C), pH 8, 15% recovery.
Flow rates for individual elements may vary but will be no more than ± 15%.
Stabilized salt rejection is generally achieved within 24-48 hours of continuous use; depending upon feedwater characteristics and operating conditions.
Sales specifications may vary as design revisions take place.
Active area guaranteed ± 3%. Active area as stated by DOW Water Solutions is not comparable to nominal membrane area often stated by some manufacturers.
BW30XFR-400/34 Element Dimensions
BW30XFR-400/34 Operating and Cleaning Limits
| Dimensions – inches (mm) | 1 inch = 25.4 mm | ||||||
| A | B | C | |||||
| Element | (in.) | (mm) | (in.) | (mm) | (in.) | (mm) | |
| BW30XFR-400/34 | 40.0 | 1,016 | 1.125 ID | 29 ID | 7.9 | 201 |
Additional Important Information
BW30XFR-400/34 Product Stewardship
Refer to Design Guidelines for multiple-element systems of 8-inch elements
(Form No. 45-D01695-en).
Element to fit nominal 8-inch (203-mm) I.D. pressure vessel.
| Maximum Operating Temperature a | 113°F (45°C) |
| Maximum Operating Pressure | 600 psig (41 bar) |
| Maximum Element Pressure Drop | 15 psig (1.0 bar) |
pH Range Continuous Operation a |
2 – 11 |
| Short-Term Cleaning (30 min.) b | 1 – 13 |
| Maximum Feed Silt Density Index (SDI) | SDI 5 |
| Free Chlorine Tolerance c | < 0.1 ppm |
Maximum temperature for continuous operation above pH 10 is 95°F (35°C).
Refer to Cleaning Guidelines (Form No. 45-D01696-en).
Under certain conditions, the presence of free chlorine and other oxidizing agents will cause premature membrane failure. Since oxidation damage is not covered under warranty, DOW Water Solutions recommends removing residual free chlorine by pretreatment prior to membrane exposure. Please refer to Dechlorinating Feedwater (Form No. 45-D01569-en) for more information.
Before use or storage, review these additional resources for important information:
Usage Guidelines for 8” Elements (Form No. 45-D01706-en)
DOW has a fundamental concern for all who make, distribute, and use its products, and for the environment in which we live. This concern is the basis for our product stewardship philosophy by which we assess the safety, health, and environmental information on our products and then take appropriate steps to protect employee and public health and our environment. The success of our product stewardship program rests with each and every individual involved with DOW products—from the initial concept and research, to manufacture, use, sale, disposal, and recycle of each product.
BW30XFR-400/34 Customer Notice
DOW strongly encourages its customers to review both their manufacturing processes and their applications of DOW products from the standpoint of human health and environmental quality to ensure that DOW products are not used in ways for which they are not intended or tested. DOW personnel are available to answer your questions and to provide reasonable technical support. DOW product literature, including safety data sheets, should be consulted prior to use of DOW products. Current safety data sheets are available from DuPont.
BW30XFR-400/34 Please be aware of the following:
The use of this product in and of itself does not necessarily guarantee the removal of cysts and pathogens from water. Effective cyst and pathogen reduction is dependent on the complete system design and on the operation and maintenance of the system.
BW30XFR-400/34 Regulatory Note
This product may be subject to drinking water application restrictions in some countries; please check the application status before use and sale.
