How do we calculate?
Durand formula: critical velocity Vc = FL × √(2 × g × D × (S − 1)). FL is a factor depending on particle size and concentration. The largest size at which the flow velocity is at least 1.15 times the critical velocity is selected; this prevents settling and also reduces wear.
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Results are for preliminary selection and do not replace engineering design. Ask our technical team for the final selection.
