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FILMTEC Membranen |
Brackish Water Elements |
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* Marke von The Dow Chemical Company
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BW 2,5" / 4" |
Product | ||
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PHYSICAL CHARACTERISTICS for spiral wound, composite thin film polyamide |
BW30-2540 | BW30-4040 | BW30HP-4040 |
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Element length in inches (mm) |
40.0 (1016) | 40.0 (1016) | 40.0 (1016) |
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Element Diameter in inches (mm) |
2.401 (61) | 3.913 (99.4) | 3.913 (99.4) |
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Product Water Tube diameter in inches (mm) |
0.75 (19) | 0.75 (19) | 0.75 (19) |
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PWT Protrusion in inches (mm) |
1.19 (30) | 1.05 (27) | 1.05 (27) |
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Approx. Wet Element Weight in Pounds (kg) |
4.8 (2.2) | 11.0 (5.0) | 11.0 (5.0) |
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OPERATING LIMITS |
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Max. Oper. Pressure in PSI (MPa) |
600 (4.1) | 600 (4.1) | 600 (4.1) |
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Max. Oper. Temperature in °F (°C) |
113 (45) | 113 (45) | 113 (45) |
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Max. Feed Turbidity (NTU) |
1 | 1 | 1 |
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Free Chlorine Tolerance (ppm) |
<0.1 | <0.1 | <0.1 |
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pH range; service |
2-11 | 2-11 | 2-11 |
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Max. Feed Flow in gpm (m³/d) |
6 (1.4) | 17 (3.9) | 18 (4.1) |
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Max. Feed SDI |
5 | 5 | 5 |
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Product Water Flow in gpd (m³/d) |
650 (2.46) | 2200 (8.33) | 2800 (10.6) |
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Stabilized Salt Rejection (%) |
99.0 | 99.0 | 99.0 |
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STANDARD CONDITIONS at 77°F (25°C), pH = 8 |
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Feed Concentration (ppm) NaCl |
2000 | 2000 | 2000 |
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Feed Pressure in PSI (MPa) |
225 (1.6) | 225 (1.6) | 225 (1.6) |
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Recovery (%) |
15 | 15 | 15 |
FILMTEC Membranen · FilmTec Corporation ist eine Tochtergesellschaft der The Dow Chemical Company