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Water velocity in a copper tube should not exceed certain limits to avoid erosion.
The water velocity in a copper tube should be kept within certain limits to avoid erosion, corrosion and excessive noise generation.
- in cold water systems - the velocities should not exceed 8 feet per second (2.4 m/s)
- in hot water systems with temperatures below 140 oF (60 oC) - the velocities should not exceed 5 feet per second (1.5 m/s)
- in hot water systems with temperatures above 140 oF (60 oC) - the velocities should not exceed 2 feet per second (0.6 m/s)
Note - be aware - and take care of - that local velocities in small tubes, bends and similar obstructions may exceed the values above.
- Hot and cold water service systems - design properties, capacities, sizing and more.
- Dimensions of threadless copper pipes according ASTM B302.
- Dimensions of seamless copper pipes according ASTM B42.
- Dimensions of seamless copper tubes for natural gas and liquified petroleum.
- Water and gas copper tubes according ASTM B88 - type K, L and M - imperial units.
- Working pressures of metric sized copper tubes according the BS (British Standard) 2871.
- Water flow and pressure loss (psi/ft) due to friction in copper tubes ASTM B88 Types K, L and M.
- Maximum space between supports aand clips for copper tubes.
- Physical characteristics of copper tubes ASTM B 88 type K.
- ASTM B88 seamless copper water tubes - working pressures.
- Dimensions of EN 1057 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications.
- Dimensions of copper tubes according EN 12449.
- Calculate fluid velocity and volume flow in pipes and tubes.
- Solder joints and their pressure ratings according ASME B16.18.
- Uniform, pitting, galvanic, crevice, concentration cell and graphitic types of corrosion.
- Free online tool for designing water supply systems in buildings.
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