Check Valve

[landon976]

I'm looking for cheap inline check valves for 5/16" gas line.

I'm running Cornelius kegs and had an issue with beer coming out of my regulator.

Thanks

[DCullender]

Not sure about check valves for beer line, try Rapids on line. They supply the soda industry with parts, maybe they have something.
Option, put a shut off valve with check valve on your regulator, Micromatic part # 1600CAB.