RO Membrane

 
 
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发货 MalaysiaSelangorKlang
品牌 Dow
型号 DOW FILMTEC SW30HRLE-400i
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更新 2012-06-04 17:45
 
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membrane | ro membrane | dow ro membrane | dow ro membrane malaysia | filmtec ro membrane | DOW FILMTEC SW30HRLE-400i

Category:RO Membrane

Description:

Dow Filmtec SW30 HRLE-400i  Reverse Osmosis (RO) Membrane

replacement 7,500 GPD seawater desalination reverse osmosis (RO) membrane element

The Filmtec SW30HR LE-400i element offers a combination of high rejection and low energy requirements to allow lower total costs with medium and high salinity feed-water. Filmtec SW30HR LE-400i element comes with the distinct iLEC(tm) Interlocking Endcaps that help reduce system operating costs and reduce the risk of o-ring leaks that cause poor water quality. Benefits of the Filmtec SW30HR LE-400i element include:

Specifications:

Membrane Type:

Polyamide Thin-Film Composite (TFC)

Maximum Operating Temperature:

113F (45C)

Maximum Operating Pressure:

1,200 psi (83 bar)

Maximum Pressure Drop:

13 psi (0.9 bar)

pH Range, Continuous Operation:

2-11***

pH Range, Short-Term Cleaning:

1-13* (30min)

Maximum Feed Silt Density Index:

5 SDI

Free Chlorine Tolerance:

<0.1 ppm**

Permeate Flow Rate:

7,500 GPD (28 m3/day)*

Stabilized Salt Rejection:

99.75%

Minimum Salt Rejection:

99.6%

Stabilized Boron Rejection:

91%

Feed Spacer:

28 mil

 

*The above benchmark values are based on the following test conditions: 32,000 ppm NaCl, 800 psi (5.5 MPa), 77°F (25°C), pH 8 and 8% recovery. Permeate flows for individual elements may vary +/-15%.

**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. Most RO systems have carbon pre-filters for this purpose.

***Maximum temperature for continuous operation above pH 10 is 95F (35C).

Note: Active surface area guaranteed +/-5%. Active area as stated by FilmTec is not comparable to nominal membrane area often stated by some manufacturers.

Dimensions:

Element fits nominal 8-inch (203 mm) I.D. pressure vessel. Individual iLEC elements measure 40.5 inches (1,029 mm) in length (B). The net length (A) of iLEC elements when connected is 40 inches (1,016 mm).

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