Free calculator
Calculate the number of UF modules and actual flux from net flow, module area and design flux.
Results update instantly as you type.
Results are for preliminary sizing; the final design is based on water analysis and a site survey.
Gross = net / (1 − losses); N = gross × 1000 / (A × J). Typical flux: 60–80 LMH for wells and mains, 40–60 for surface water, 25–45 for wastewater reuse.
Recommended systems
PLC-controlled industrial RO with 4040/8040 membranes removing 95–99.5% of dissolved salts.
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Compact, fully automatic packaged biological plants for domestic wastewater.
Free site survey & water analysis
We survey your site and analyse your raw water, then present the system that fits your needs and budget in a technical report.
