Formula & worked example
V=m·v_specific/A.
1,000 kg/h at 0.2 m³/kg in a 75 mm ID line travels at about 12.6 m/s.
Plant engineering calculator · Updated Sep 17, 2026
Steam Velocity Calculator — Mass Flow, Specific Volume & Pipe Velocity
Calculate volumetric steam flow and line velocity from mass flow, specific volume and actual pipe inside diameter, with target-velocity comparison.
Inputs
Live engineering result
Volumetric steam flow 0.055555556 m³/s
Pipe area 0.0044178647 m²
Steam velocity 12.575205 m/s
Velocity vs target 50.300822%
At or below entered target velocity
Assumptions & limits
- Specific volume must match actual steam pressure and quality/superheat state.
- Velocity alone does not establish acceptable pressure drop or condensate drainage.
Frequently asked questions
What does this Steam Velocity Calculator calculate?
Calculate volumetric steam flow and line velocity from mass flow, specific volume and actual pipe inside diameter, with target-velocity comparison.
Can I use the result for equipment selection?
Use the result as an engineering screening and cross-check. Confirm final selections against manufacturer performance data, design conditions, applicable standards and local code.
Why does MAXScanner show assumptions?
Plant calculations can move materially with pressure, temperature, fluid properties, diversity and operating conditions. Visible assumptions make the result auditable.