Pipe Line Velocities vs. Fluid
Typical fluid flow velocities for common liquids, gases and vapors.
Fluid | Typical Velocity | |
---|---|---|
(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 |
- low pressures up to 50 psi (3.5 bar)
- temperatures 50 - 100oF (10 - 38oC)
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