Allow gas tank -> gas canister flow.

[Xaviens]

Out of curiosity, would a functional flow allow for poor man's canister bombs? 'Conceptually, it should, since the only thing a canister ignitor does is allow you to get away from said bomb.

Nah, canister bomb detonators are the thing that creates the explosion, if you just over-pressurize a canister it bursts and releases the air with no real explosion.

It WOULD however allow things like "Poisoning the well". Inserting N2O tanks, or plasma, or even C02 into the general O2 cans people tend to use to recharge emergency oxy tanks would make the general inability to repressurize the station that much more dangerous. People might actually use atmo scanners to check tanks again, but who wants THAT.