FILMTEC Membrane Elements

FILMTEC reverse osmosis (RO) membranes for home drinking water treatment units are the most reliable and consistent elements in the industry. Advanced membrane technology and automated fabrication allow Dow to precisely produce each and every element to tight, pre-defined specifications.

Residential Membrane Elements

Part Number:	Description	Permeate Flow Rate gpd (l/h)	Stabilized Salt Rejection(%)	Applied Pressure psig(bar)
200419	TW30-1812-24	24 (3.8)	98	50 (3.4)
200420	TW30-1812-36	36 (5.7)	98	50 (3.4)
200421	TW30-1812-50	50 (7.9)	98	50 (3.4)
200422	TW30-1812-70	70 (12)	98	50 (3.4)
200423	TW30-1812-100	100 (16)	98	50 (3.4)

• Permeate flow and salt rejection based on the following test conditions: 250 ppm softened tap water, 77°F (25°C), 15% recovery and the specified applied pressure.
• Minimum salt rejection is 96.0% • Permeate flows for individual elements may vary =/-20%.
• Product specifications may vary slightly as improvements are implemented.
• For ease of installation, element o-rings have been pre-lubricated with glycerin

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Reverse Osmosis Systems
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Media Filtration
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Membrane Elements
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Membrane Housings
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Filter Cartridges
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Filter Housings
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Pumps
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Motors
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UV Sterilizers
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Ozone Generators
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Chemical Pumps
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Chemicals
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Instruments
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Test Equipment
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Components
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Commercial Membrane Elements

Part Number:	Description	Permeate Flow Rate gpd (l/h)	Stabilized Salt Rejection(%)	Applied Pressure psig(bar)
200431	BW30-2540	2400 (9.10)	99.5	225 (15.5)
200430	BW30-4040	850 (3.20)	99.5	225 (15.5)
202946	HSRO-4040-FF	1900 (7.20)	99.5	150 (10.3)
200429	LE-4040	2500 (9.50)	99.0	150 (10.3)
200433	LP-2540	1000 (3.80)	99.2	145 (10.0)
200425	LP-4040	2900 (11.0)	99.2	145 (10.0)
202945	RO-4040-FF	2400 (9.10)	99.5	225 (15.5)
200442	TW30-2026	220 (0.83)	99.5	225 (15.5)
200441	TW30-2514	200 (0.76)	99.5	225 (15.5)
200440	TW30-2521	325 (1.23)	99.5	225 (15.5)
200434	TW30-2540	850 (3.20)	99.5	225 (15.5)
200438	TW30-4014	525 (1.99)	99.5	225 (15.5)
200437	TW30-4021	900 (3.41)	99.5	225 (15.5)
200426	TW30-4040	2400 (9.10)	99.0	225 (15.5)
202949	TW30HP-4611	1200 (4.54)	99.0	225 (15.5)
202948	TW30HP-4619	1450 (5.49)	99.0	225 (15.5)
202948	TW30HP-4641	5200 (19.68)	99.0	225 (15.5)
200439	XLE-2521	365 (1.40)	99.0	100 (6.9)
200432	XLE-2540	850 (3.20)	99.0	100 (6.9)
200436	XLE-4021	1025 (3.90)	99.0	100 (6.9)
200424	XLE-4040	2600 (9.80)	99.0	100 (6.9)

• Permeate flow and salt rejection based on the following test conditions: 500 ppm NaCl Feedstream, 77°F (25°C), 8-15% recovery and the specified applied pressure.
• Permeate flows for individual elements may vary +/-20%.
• For the purpose of improvement, specifications may be updated periodically.

Industrial Membrane Elements

Part Number:	Description	Permeate Flow Rate gpd (l/h)	Stabilized Salt Rejection(%)	Applied Pressure psig(bar)
200446	BW30-365	9500 (36.0)	99.5	225 (15.5)
200451	BW30-365-FR	9500 (36.0)	99.5	225 (15.5)
200445	BW30-400	10500 (40.0)	99.5	225 (15.5)
200444	BW30-400/34i	10500 (40.0)	99.5	225 (15.5)
202950	BW30-400/34i-FR	11500 (43.0)	99.6	225 (15.5)
200452	BW30-400-FR	10500 (40.0)	99.5	225 (15.5)
200443	BW30-440i	11500 (43.0)	99.5	225 (15.5)
200456	HSRO-390-FF	9000 (34.0)	99.5	150 (10.3)
200448	LE-400	11500 (44.0)	99.3	150 (10.3)
200447	LE-440i	12350 (48.0)	99.3	150 (10.3)
200454	RO-390-FF	80 (18.2)	N/A	60 (4.1)
202952	SG30-400/34i	10200 (38.6)	99.5	225 (15.5)
202953	SG30LE-400	9500 (36.0)	99.5	150 (10.3)
202951	SG30LE-440i	10000 (38.0)	99.5	225 (15.5)
200450	XLE-440	12700 (48.0)	99.0	100 (6.9)

• Permeate flow and salt rejection based on the following test conditions: 2,000 ppm NaCl, 77°F (25°C), 8-15% recovery and the specified applied pressure.
• Permeate flows for individual elements may vary +/-15%.
• Sales specifications may vary as design revisions take place.
• Active area guaranteed +/-3%. Active area as stated by Dow Water & Process Solutions is not comparable to nominal membrane area often stated by some manufacturers.
• Measurement method described in Form No. 609-00434.
• Specific solute stabilized rejections based on the following standard test conditions: 2,000 ppm NaCl, 77°F (25°C), 8-15% recovery and the specified applied pressure.

Sea Water Membrane Elements

Part Number:	Description	Permeate Flow Rate gpd (l/h)	Stabilized Salt Rejection(%)	Applied Pressure psig(bar)
200448	SW30-2514	150 (0.6)	99.40	800 (55)
200451	SW30-2521	300 (1.1)	99.40	800 (55)
200445	SW30-2540	700 (2.6)	99.40	800 (55)
200444	SW30-380	9000 (34.0)	99.40	800 (55)
202950	SW30-4021	800 (3.0)	99.40	800 (55)
200452	SW30-4040	1950 (7.4)	99.40	800 (55)
200443	SW30-6040	2100 (7.9)	99.00	800 (55)
200456	SW30-8040	6000 (23.0)	99.10	800 (55)
200448	SW30HR-380	6000 (23.0)	99.70	800 (55)
200447	SW30HR LE-400	7000 (28.0)	99.70	1200 (83)
200454	SW30HR LE-400i	7000 (28.0)	99.70	1200 (83)
202952	SW30HR LE-4040	1600 (6.1)	99.70	800 (55)
202953	SW30XLE-400i	9000 (34.0)	99.70	1200 (83)

• The above benchmark values are based on the following test conditions: 32,000 ppm NaCl, 5 ppm Boron, 800 psi (55 bar), 77°F (25°C), pH 8 and 10% recovery.
• Permeate flows for individual elements may vary -15% to +25%.
• Minimum salt rejection is 98.8%.
• Sales specifications may vary as design revisions take place.
• Active area guaranteed +/-5%. Active area as stated by Dow Water & Process Solutions is not comparable to nominal membrane area often stated by some manufacturers.
• Measurement method described in Form No. 609-00434.
• Specific solute stabilized rejections based on the following standard test conditions: 2,000 ppm NaCl, 77°F (25°C), 8-15% recovery and the specified applied pressure.

Filmtec Residential Membranes
Nanofiltration Membrane Elements

Part Number:	Description	Permeate Flow Rate gpd (l/h)	Stabilized Salt Rejection(%)	Applied Pressure psig(bar)
200478	NF-2540	920 (3.5)	>99.0	130 (8.9)
200470	NF270-2540	850 (3.2)	>97.0	70 (4.8)
200477	NF270-400	14700 (55.6)	40.0-60.0	70 (4.8)
200476	NF270-4040	2500 (9.5)	>97.0	70 (4.8)
200480	NF-400	13700 (51.9)	>99.0	130 (8.9)
200479	NF-4040	3050 (11.5)	>99.0	130 (8.9)
200472	NF90-2540	680 (2.6)	>97.0	70 (4.8)
200474	NF90-400	7000 (28.4)	85.0-95.0	70 (4.8)
200472	NF90-4040	2000 (7.6)	>97.0	70 (4.8)

• The above benchmark values are based on the following test conditions: 2,000 ppm MgSO4, 130 psi (8.9 bar), 77°F (25°C), pH 8 and 15% recovery.
• Permeate flows for individual elements may vary +/-15%.
• Minimum MgSO4 rejection is 98.0%. Stabilized rejection is >99%.
• Product specifications may vary as design revisions take place.
• Active area guaranteed +/-3%. Active area as stated by Dow Water & Process Solutions is not comparable to nominal membrane area often stated by some manufacturers.
• Measurement method described in Form No. 609-00434.

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