Water flow and pressure loss (psi/ft) due to friction in copper tubes ASTM B88 Types K, L and M
Download the diagram as pdf-file: Pressure Loss in Copper Tubes ASTM B88 - Type K
- Copper Tubes - Pressure Loss in Fittings and Valves Expressed as Equivalent Length of Tube
- ASTM B88 - Seamless Copper Water Tubes - Dimensions
Water velocity in copper tubes should not exceed 8 ft/s (2.4 m/s) for cold water and 5 ft/s (1.5 m/s) for hot water (up to approximately 140oF, 60oC). If water temperatures routinely exceeds 140oF - don't exceed 2-3 ft/s (0.6-0.9 m/s).
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