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Reverse Osmosis 8″ elements

Click on a product number to view the data sheet

Element Size

Flow

Stabilized Rejection

Product Description

Diameter Inches (mm)

Length Inches (mm)

Active Surface Area ft2 (m 2) gpd (m3/d)

% 

BW30-365 Workhorse RO element for brackish water applications. Utilizes a 34 mil brine channel spacer to facilitate cleaning.

7.9 (201)

40 (1016)

365.0 (34.0)

9500 (36.0)

99.5

BW30-400 High productivity, high rejection RO element for brackish water applications. The industry standard for high area, brackish water RO elements.

7.9 (201)

40 (1016)

400.0 (37.0)

10,500 (40.0)

99.5

BW30-365 FR Fouling-resistant RO element for brackish, potable and non-potable water applications. Utilizes a 34 mil brine channel spacer to facilitate cleaning.

7.9 (201)

40 (1016)

365.0 (34.0)

9500 (36.0)

99.5

BW30-400-FR Fouling-resistant RO element for brackish potable and non-potable water applications. Utilizes a 28 mil brine channel spaces to facilitate cleaning.

7.9 (201)

40 (1016)

400.0 (37.0)

10,500 (40.0)

99.5

BW30LE-440 Low-energy RO element for industrial, municipal, and ultra pure water applications.

7.9 (201)

40 (1016)

440.0 (41.0)

11,500 (44.0)

99.0

XLE-440 Ultra-low energy RO element for industrial and municipal applications.

7.9 (201)

40 (1016)

440 (41)

12,700 (48)

99.0

SW30HR-8040 The original high-rejection, seawater element for seawater desalination applications.

7.9 (201)

40 (1016)

300.0 (28.0)

4000 (15.0)

99.4

SW30HR-380 Highest productivity, high-rejection RO element for seawater desalination applications. The premier choice in seawater desalination.

7.9 (201)

40 (1016)

380.0 (35.0)

6000 (23.0)

99.7

SW30HR-320 High-rejection, seawater element for municipal seawater desalination.

7.9 (201)

40 (1016)

320.0 (28.0)

5000
(19.0)

99.7

NF90-4001 High-rejection (90%) nanofiltration element for water treatment applications requiring a high removal of salt, organic compounds and iron. The new version of NF90-400 uses a larger product water tube (see data sheet).

7.9 (201)

40 (1016)

400 (37.2)

7,500** (28.4)

85.0-95.0**

NF200-400 Nanofiltration element for pesticide removal and partial softening. The NF200-400 uses a larger product water tube (see data sheet).

7.9 (201)

40 (1016)

400.0 (37.2)

8,000+ (30.3)

35.0-50.0+

NF270-4002 Nanofiltration element for for partial softening and high organic compound removal. The NF270-400 uses a larger product water tube (see data sheet).

7.9 (201)

40 (1016)

400.0 (37.2)

14700 (47.0)

40.0-60.0+

*Listed rejections are minimums for magnesium sulfate
**Listed flows and rejections are minimums for sodium chloride.
+ Listed flows and rejections are minimums for calcium chloride
1 Alternative to NF70-400 to achieve similar salt removal capabilities
2 Alternative to NF70-400 where higher hardness passage is desired. Also replaces NF255-400

July 31, 2014 Derwent Water Systems
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