Compare BW and ULP elements for a defined feed-water composition and process-water target. Review membrane area, test pressure and product-water quality together, then check how the selected elements fit the complete RO array.
BK-BW-4040 · 2500 GPD (9.5 m³/d)
For brackish-water treatment and industrial water preparation. Compare the membrane area, test flow and salt rejection with your feed-water analysis and installed vessel arrangement.
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BK-BW-8040 · 10500 GPD (39.7 m³/d)
For brackish-water treatment and industrial water preparation. Compare the membrane area, test flow and salt rejection with your feed-water analysis and installed vessel arrangement.
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BK-BW-4040FR · 2000 GPD (7.6 m³/d)
A fouling-resistant membrane option for reuse-water and challenging feed-water enquiries. Its catalog uses a 34 mil spacer; selection still requires a pretreatment and cleaning review.
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BK-ULP-8040MR-2 · 10500 GPD (39.7 m³/d)
An ultra-low-pressure RO element for lower-salinity water preparation. Compare its stated test pressure and feed concentration with the BW range before selecting a membrane for an existing pump and vessel layout.
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BK-C-SW-4040 · 1600 GPD (6.1 m³/d)
A seawater RO element with catalog performance stated under seawater-strength salt and boron test conditions. Evaluate the membrane together with the high-pressure system, intake pretreatment and product-water target.
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BK-C-SW-400 · 7500 GPD (28.4 m³/d)
A seawater RO element with catalog performance stated under seawater-strength salt and boron test conditions. Evaluate the membrane together with the high-pressure system, intake pretreatment and product-water target.
View product ↗Ask the proposal to distinguish equipment supply, civil works, external piping, electrical connections, commissioning, training and consumables. Confirm each responsibility in the project quotation. Items discussed on this website are planning considerations, not an automatic inclusion in every supply package.
A useful enquiry can start before every parameter is known. Tell us what you know and where engineering input is needed.