I wish to install check valves from my Ar and CO2 cylinders to a Y-valve to my MIG unit.

Are quick-disconnects reliable or best to stay with regular threaded connectors?

Looking to purchase Western Argon Inert Gas Regulator to Hose Quick Connect/Connector Disconnect Set, QDB33 that includes check valves.

I assume quick-disconnects ARE reliable given that Oxy/Fuel torches are always quick-disconnect, just want to make sure before I unload some coin ($28!!!) for these: