SF6 Calculator
Estimate SF6 recovery time, vacuum pump-down time, residual gas quantity, density, humidity conversion, leak rate and common gas handling units from one practical tool page.
Recovery time and residual gas guide values
Vacuum pump-down time estimation
SF6 density and mass estimation
Dew point, ppmv and ppmw conversion
Leak rate and mass flow estimation
SF6 engineering calculator
Use these guide calculations for SF6 recovery planning, vacuum pump-down, mass estimation, humidity conversion, leak testing, and common unit conversions.
Calculation results are for reference only. Please confirm with actual equipment parameters and site conditions.
Equipment flow presets
Estimated recovery time
14.6 min
Guide value based on an idealized flow model.
Recoverable SF6 mass
43.11 kg
Residual SF6 at final vacuum
35.95 g
Recovery ratio
99.92%
Formula used
Recovery time is estimated as t = (V / Q) x ln(P1 / P2), where volume and flow define the base exchange time and the pressure ratio defines how far the recovery process must go. SF6 mass is estimated from the ideal gas relation m = PVM / RT.
Need equipment-specific values?
Send us your gas compartment volume, pressure, target vacuum, and operating conditions. We can help match the right SF6 recovery, filling, monitoring, or regeneration equipment.