# Hallmark Technical Services
> Best RO plant Manufacturer in UAE \& Oman\. We do RO plants, seawater desalination \& industrial water solutions across Dubai, Abu Dhabi\.\.\.
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## Pages
- [Home](https://htswater.com/)
- [Copper Silver Ionization Systems Manufacturer in UAE \& Oman \| Hallmark](https://htswater.com/copper-silver-ionization-systems/)
- [RO Plant Dubai](https://htswater.com/ro-plant-dubai/)
- [Products](https://htswater.com/products/)
- [Contact Us](https://htswater.com/contact-us/)
## Posts
- [Hall\-Marine Series HTS\-404\-15S](https://htswater.com/hall-marine-series-hts-404-15s/)
## Products
- [DuPont FilmTec BW30 PRO\-4040 Membrane](https://htswater.com/product/filmtec-bw30-pro-4040-membrane/): \
\- \Active Area:\ \85 ft² \(approximately 7\.9 m²\)\\
\- \Permeate Flow Rate:\ \2,600 gallons per day \(GPD\)\\
\- \Salt Rejection:\ \99\.7%\\
\- \Maximum Operating Pressure:\ \600 psi \(41 bar\)\\
\- \pH Range for Continuous Operation:\ \2–11\\
\- \pH Range for Short\-Term Cleaning:\ \1–13\\
\- \Maximum Feed Flow Rate:\ \16 gallons per minute \(GPM\)\\
\- \Maximum Pressure Drop:\ \15 psi \(1\.0 bar\)\\
\- \Maximum Operating Temperature:\ \113°F \(45°C\)\\
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- [DuPont FilmTec SW30HRLE\-400 Seawater RO Membrane](https://htswater.com/product/dupont-filmtec-sw30hrle-400-seawater-ro-membrane/): \
\- High Salt Rejection up to 99\.8%\
\- Excellent Boron Rejection Performance\
\- Optimized Water Production Capacity\
\- Reduced Operating Costs\
\- Long\-Term Stable Performance\
\- Durable Polyamide Thin\-Film Composite Construction\
\- Suitable for Medium and High Salinity Feed Water\
\- Compatible with Internally Staged Design \(ISD\) Systems\
\- Reliable Operation in Large Desalination Plants\
\- Enhanced Sustainability Compared to Wet RO Elements\
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- [Danfoss APP Pumps](https://htswater.com/product/danfoss-app-pumps/): Hallmark’s Danfoss APP offering gives you:
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\- Engineered reliability for continuous operation\
\- High efficiency that reduces energy cost\
\- Flexible configuration for modular and parallel installations\
\- Long service intervals and simplified maintenance\
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- [Ozone Generator For Water](https://htswater.com/product/ozone-generator-for-water/): \
\- Effective Water Treatment\
\- Chemical\-Free\
\- Enhanced Water Quality\
\- Eco\-Friendly\
\- Versatile Application\
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- [DuPont FilmTec BW30\-PRO\-400 Membrane](https://htswater.com/product/filmtec-bw30pro-400-membrane/): \Key Specifications:\
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## Categories
- [Blog](https://htswater.com/category/blog/)
- [industries](https://htswater.com/category/industries/)
- [News](https://htswater.com/category/news/)
## Product brands
- [Filmtec](https://htswater.com/brand/filmtec/)
- [Myron L](https://htswater.com/brand/myron-l/)
## Product categories
- [Brackish Water Membranes](https://htswater.com/product-category/brackish-water-membranes/)
- [Ultrameter](https://htswater.com/product-category/ultrameter/)
- [Ozone Generator](https://htswater.com/product-category/ozone-generator/)
- [RO Pumps](https://htswater.com/product-category/ro-pumps/)
- [Sea Water RO Membranes](https://htswater.com/product-category/sea-water-ro-membranes/)
## Optional
- [Sitemap index](https://htswater.com/sitemap_index.xml)