Description
Dow® Filmtec™ SW30HR-380 elements are premium grade seawater reverse osmosis elements featuring both high active area and high salt rejection to offer the best long-term economics for seawater desalination systems. Filmtec SW30HR-380 elements deliver the highest boron rejection to help customers meet World Health Organization (WHO) and other drinking water standards. Filmtec SW30HR-380 elements deliver high performance over their operating lifetime without the use of oxidative post-treatments like many competitive products. This is one reason why Filmtec elements are more durable and may be cleaned more effectively over a wide pH range than other RO elements.
Specifications for SW30HR-380
| FilmTec Product: | SW30HR-380 |
| FilmTec Part Number: | 135137 |
| Size (Approximate): | 8″ Dia. x 40″L |
| Flow Rate: | 6,000 gpd (23 m³/d) |
| Applied Pressure: | 800 psig (55 bar) |
| Stabilized Salt Rejection: | 99.7% |
| Minimum Salt Rejection: | 99.6% |
| End Style/PWT: | Standard Flush 1.125″ ID |
| Exterior: | Hard Shell Fiberglass |
| Active Membrane Area: | 380 sq. ft. |
| Feed Spacer: | 28 mil |
| Product Type: | Spiral-Wound Element |
| Membrane Type: | Polyamide Thin- Film Composite |
Permeate flow and salt rejection based: 32,000 ppm NaCl feed stream, 77°F, 8% recovery, 800 psig, pH 8.
Operating Limits for SW30HR-380
| Maximum Operating Temperature: | 113°F (45°C) |
| Maximum Operating Pressure: | 1,000 psig (69 bar) |
| Maximum Pressure Drop: | 15 psig (1 bar) |
| pH Range, Continuous Operation*: | 2-11 |
| pH Range, Short-Term Cleaning**: | 1-13 |
| Maximum Feed Silt Density Index: | SDI 5 |
| Fere Clorine Tolerance***: | <0.1ppm |
*Maximum temperature for continuous operation above pH 10 is 95°F
**Refer to cleaning guidelines.
***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.
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