These values I use for my calculations when I need to compare flow velocity with recommended min and max values. I took these data from different sources: recommendations in technical manuals of Parker, Gates, Eaton and other hose and tubes suppliers.
These are average values from my collection of all supplier recommendations.
- Parker Technical Manual, Page 3.
- Industrial Hydraulic Service, Page 1
- John Henry Foster
- EATON, Page 14
- Machine Design
- Fluid Power Journal