Gas Blender

Complete gas blending calculator with step-by-step instructions

Need to choose a target gas first? Start with Best Mix and MOD. Need reserve planning before filling? Use Minimum Gas or Gas Envelope.

Step 1: Current Cylinder State

What's in the cylinder now

Tap any gas for immediate selection
N₂: 79.0% • bar

Step 2: Target Mix & Pressure

What you want to achieve

Tap any gas for immediate selection
N₂: 68.0% • bar
Jump To CalculateJump To Status

Gas Supplies

Current gas supply status

0 of 3 gas banks selectedNo gas banks selected

Air Bank 1

Air
21% O₂•79% N₂
300/300bar

Oxygen Bank 1

EAN100
100% O₂•0% N₂
200/200bar

Helium Bank 1

0/100
0% O₂•100% He•0% N₂
200/200bar
Not readyNo run yet
Required for this fill path (oxygen-clean handling needed).
Hard safety checks must pass before calculation is enabled.
Workflow Status
Needs Input
Action Needed Before Calculate
2 items
Gas analyzer is available and calibrated
Oxygen-clean compatibility confirmed
Open Preflight Safety Gate
Inputs need attention

Complete the required safety confirmations in Preflight Safety Gate, then calculate.

2 required safety confirmations pending in Preflight Safety Gate.