Pipe Line Velocities vs. Fluid

Typical fluid flow velocities for common liquids, gases and vapors.

Sponsored Links

Fluid	Typical Velocity
Fluid	(ft/min)	(m/s)
Acetylene, steel pipe	4000	20
Air, 0-30 psi, steel pipe	4000	20
Ammonia, liquid, steel pipe	360	1.8
Ammonia, gas, steel pipe	6000	30
Benzene, steel pipe	360	1.8
Bromine, liquid, glass pipe	240	1.2
Bromine, gas, glass pipe	2000	10
Calcium Chloride, steel pipe	240	1.2
Carbon Tetrachloride, steel pipe	360	1.8
Chlorine, liquid, steel pipe	300	1.5
Chlorine, gas, steel pipe	2000 - 5000	10 - 25
Chloroform, liquid, steel or copper pipe	360	1.8
Chloroform, gas, steel or copper pipe	2000	10
Ethylene, gas, steel pipe	6000	30
Ethylene Dibromide, glass pipe	240	1.2
Ethylene Dichloride, steel pipe	360	1.8
Ethylene Glycol, steel pipe	360	1.8
Hydrogen, steel pipe	4000	20
Hydrogenchloric Acid, liquid, rubber lined pipe	300	1.5
Hydrogenchloric Acid, gas, rubber lined pipe	4000	20
Methyl Chloride, liquid, steel pipe	300	1.5
Methyl Chloride, gas, steel pipe	4000	20
Natural gas, , steel pipe	6000	30
Oil lubricating, steel pipe	300	1.5
Oxygen, stainless steel	1800 - 4000	9 - 20
Propylene Glycol, steel pipe	300	1.5
Perchlorethylene, steel pipe	360	1.8
Steam, 0-30 psi, saturated, steel pipe	4000 - 6000	20 - 30
Sulfuric acid	240	1.2
Sulfur Dioxide, steel pipe	4000	20
Styrene, steel pipe	360	1.8
Trichlorethylene, steel pipe	360	1.8
Vinyl Chloride, steel pipe	360	1.8
Vinylidene Chloride, steel pipe	360	1.8
Water, steel pipe	180 - 480	0.9 - 2.4

Boiling Fluids - Max Suction Flow Velocity - Recommended max suction flow velocity when pumping boiling fluids.
Ethylene - Density and Specific Weight vs. Temperature and Pressure - Online calculator, figures and tables showing density and specific weight of ethylene, C₂H₄, at varying temperature and pressure - Imperial and SI Units.
Laminar, Transitional and Turbulent Flow - Heat transfer, pressure and head loss in a fluid varies with laminar, transitional or turbulent flow.
Pipes - Fluid Flow Velocities - Calculate fluid velocity and volume flow in pipes and tubes.
Recommended Velocities in Steam Systems - The steam velocity in a steam distribution system should be within certain limits to avoid excessive wear and tear
Slurry Transport - Minimum Flow Velocity - Flow velocities in slurry transport systems to avoid settling of solids.
Velocity Pressure Head - Dynamic pressure or velocity head.
Viscous Liquids - Max. Delivery Flow Velocities - Recommended max. flow velocities on delivery sides of pumps in viscous systems.
Water - Max. Suction Flow Velocities vs. Pipe Size - Recommended max. water flow velocities on suction sides of pumps.
Water Flow - Max. Delivery Velocities vs. Pipe Size - Recommended maximum flow velocities in water systems on the delivery side of the pump.
Water Systems - Maximum Flow Velocities - Water velocities in pipes and tubes should not exceed certain limits.