Water Delivery Flow Velocities

Required flow velocities in water transport systems - on the delivery side of the pump

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As a rule of thumb the following velocities can be used in design of piping and pumping systems for water:

Pipe Dimension		Water
inches	mm	m/s	ft/s
1	25	1	3.5
2	50	1.1	3.6
3	75	1.15	3.8
4	100	1.25	4
6	150	1.5	4.7
8	200	1.75	5.5
10	250	2	6.5
12	300	2.65	8.5

More about Water Systems, Pumps or Piping Systems.

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Related Topics

Piping Systems Dimensions of pipes and tubes - dimensions, materials, capacities - pressure drop calculations and charts - insulation and heat loss diagrams
Fluid Flow and Pressure Drop Pipe lines - fluid flow and pressure loss - water, sewer, steel pipes, pvc pipes, copper tubes and more
Water Systems Hot and cold water systems - design properties, capacities, sizing and more
Pumps Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more

Related Documents

Maximum Flow Velocities in Water Systems Water velocities in pipes and tubes should not exceed certain limits
Water Flow in Tubes - Reynolds Number Reynolds Number in pipes transporting clean cold water
Water Flow and Velocity Head in Schedule 40 Steel Pipes Velocity head is used to calculate minor pressure or head loss in fluid flow systems
PVC Pipes - Friction Loss and Flow Velocity - Schedule 80 Water flow in thermoplastic PVC and CPVC pipes Schedule 80 - friction loss (ft/100 ft, psi/100 ft) and flow velocities at dimensions from 1/2 inch to 16 inches

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