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Reasonable Velocities of fluid in Pipes

MediumPressure (bar)ServiceVelocity (m/s)Notes
Steam (sat)0 - 1.7Heating20 to 30+ 100mm dia
Steam (sat)over 1.7Process30 to 50+150mm dia
Steam (sup)over 14Process30 to 100+150mm dia
Air Forced Air Flow5 to 8e.g. AC Reheat
Water -General1 to 3
Water Concrete Pipe4,7
Water Pump Suction1,2
Water Horizontal Sewer0,75Minimum
Water Pump discharge1,2 to 2,5Minimum
Water Boiler Feed2,4 to 4,6Minimum
Oil Hydraulic Systems2,1 to 4,6Minimum
Ammonia Compressor Suction25Max. Permissable
Ammonia Compressor Discharge30Max. Permissible