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Dow Filmtec BW30-4040 Brackish Water Industrial RO Membrane

2400 Gallons Per Day; 3.9" W X 40" L; Part # 80783

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Dow Filmtec BW30-4040 Brackish Water Industrial Reverse Osmosis Membrane:
The Dow Filmtec BW30-4040 brackish water reverse osmosis membrane elements provide consistent and outstanding system performance in light industrial applications.
The Filmtec BW30-4040 features the thickest feed spacer (34 mil) to lessen the impact of fouling.
Elements with a hard shell exterior are recommended for systems with multiple-element housings containing three or more membranes, as they are designed to withstand higher pressure drops.
The Dow Filmtec BW30-4040 industrial RO membrane may be cleaned over the widest pH range (pH 1-13) for the most effective cleaning.
Dow Filmtec Part # 80783

Dow Filmtec BW30-4040 Industrial Reverse Osmosis Membrane Specs:
Dimensions: 3.9" W X 40" L
Maximum Operating Temperature: 113°F (45°C)
(Maximum temperature for continuous operation above pH 10 is 95°F (35°C).)
BW30-4040 Permeate Flow Rate gpd (m3/d): 2400 (3.2)
(Permeate flow rates for individual elements may vary +/-20%.)
Maximum Operating Pressure: 600 psi (41 bar)
Maximum Feed Flow Rate: 16 gpm (3.6 m3/h)
Stabalized Salt Rejection: 99.5%
Maximum Feed Silt Density Index (SDI): 5
Free Chlorine Tolerance: <0.1 ppm
pH Range, Continuous Operation: 2-11
(Maximum temperature for continuous operation above pH 10 is 95°F (35°C))
pH Range, Short Term Cleaning: 1-12

Dow Filmtec BW30-4040 Industrial Reverse Osmosis Membrane Materials of Construction:
Membrane Type: Polyamide Thin-Film Composite

Dow Filmtec BW30-4040 Brackish Water Reverse Osmosis Systems:
The Dow Filmtec BW30-4040 Reverse Osmosis Membrane can be used in many brands of industrial Reverse Osmosis Water Filtration Systems.

Dow Filmtec BW30-4040 Brackish Water RO System Accessories:
Use a TDS Meter to monitor the Total Dissolved Solids before and after the Filmtec BW30-4040 Industrial Reverse Osmosis Membrane.
Use a Digital RO Tank Pressure Gauge to monitor the Reverse Osmosis Tank Pressure.

Filmtec Dow BW30-4040 Reverse Osmosis Membrane Instructions:
Proper start-up of reverse osmosis water treatment system is essential to prepare the BW30-4040 industrial membrane elements for operating service and to prevent membrane damage due to overfeeding or hydraulic shock.
Keep the BW30-4040 RO element moist at all times after initial wetting.
During prolonged system shutdowns, it is recommended that the Filmtec BW30-4040 membrane elements be immersed in a preservative solution. This is to prevent biological growth.
Avoid any abrupt pressure or cross-flow variations on the spiral elements during shutdown, cleaning or other sequences to prevent possible BW30-4040 Reverse Osmosis Membrane damage.
During start-up, a gradual change from a standstill to operating state is recommended:
- Feed pressure should be increased gradually over a 30-60 second time frame
- Cross-flow velocity at set operating point should be achieved gradually over 15-20 seconds
- Permeate obtained from first hour of operation should be discarded.
Maximum pressure drop across an entire pressure vessel (housing) is 50 psi (3.4 bar).