Description
Dow® Filmtec™ BW30-365 elements are the elements of choice for system designers, OEMs, and system operators requiring consistently high performance and maximum element life when treating difficult feed waters. This element offers proven performance, high rejection, and outstanding robustness and durability across a wide range of feed conditions where unit price is a key driver. These elements feature the industry’s thickest feed spacer (34 mil) to lessen the impact of fouling. The BW30-365 is best suited for systems operating on challenging feed streams, where reliable pretreatment is not an option, or where maximum cleanability delivers value.
Specifications for BW30-365
| FilmTec Product: | BW30-365 |
| FilmTec Part Number: | 80773 |
| Size (Approximate): | 8″ Dia. x 40″L |
| Flow Rate: | 9,500 gpd (36 m³/d) |
| Applied Pressure: | 225 psig (15.3 bar) |
| Stabilized Salt Rejection: | 99.5% |
| Minimum Salt Rejection: | 99.0% |
| Active Surface Area: | 365 Sq. Ft. |
| Single Element Recovery: | 15% |
| End Style: | Standard Flush Cut |
| Exterior: | Hard Shell Fiberglass |
| Feed Spacer: | 34 mil |
| Membrane Type: | Polyamide Thin-Film Composite |
Permeate flow and salt rejection based: 2,000 ppm NaCl feed stream, 77°F, 15% recovery, 225 psig.
Operating Limits for BW30-365
| Maximum Operating Temperature: | 113°F (45°C) |
| Maximum Operating Pressure: | 600 psig (41 bar) |
| Maximum Pressure Drop: | 15 psig (1 bar) |
| Maximum Feed Flow Rate: | 85 gpm (19m³/h) |
| pH Range, Continuous Operation*: | 2-11 |
| pH Range, Short-Term Cleaning**: | 1-13 |
| Maximum Feed Silt Density Index: | SDI 5 |
| Fere Clorine Tolerance***: | <0.1ppm |
*Maximum temperature for continuous operation above pH 10 is 95°F
**Refer to cleaning guidelines.
***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 recommends removing residual free chlorine by pretreatment prior to membrane exposure.
Physical Dimensions of DOW FilmTec BW30-365
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BW30-365 fits nominal 8″ ID pressure vessels.
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