# Butane · Nitrogen — CGA cylinder valve connection number by gas

For Butane · Nitrogen, gas is Butane; source chart is CONCOA; cga connection number is 350; which chart the row is from is Mixed Gases; qualifier (for a mixture, the major component) is Nitrogen, recorded from its source on 2026-08-28.

- **Gas:** Butane _(verified: appears in the quote below)_
- **Source chart:** CONCOA _(our reading, not quoted from the source)_
- **CGA connection number:** 350 _(verified: appears in the quote below)_
- **Which chart the row is from:** Mixed Gases _(our reading, not quoted from the source)_
- **Qualifier (for a mixture, the major component):** Nitrogen _(verified: appears in the quote below)_

## What the source says

> 350 Butane Nitrogen

## Source

- https://www.concoa.com/sites/default/files/ADC3010%20AF%20CGA%20selection%20charts.pdf

Last verified: 2026-08-28. Review by: 2028-08-27.
Part of [CGA cylinder valve connection number by gas](https://referencesource.org/cga-cylinder-valve-connection-by-gas/).