Stainless Steel Quick Disconnect seal up very well in either flow direction, using only one hand connecting them. This will work with the Male x MPT and the Male x Barb quick disconnects. These feature a 1/2" Barb on the ends for easy connectivity to Silicon Tubing.
The quick disconnect will hold pressure for typical brewing applications when moving liquids at 60psi or less. 1/2" ID. Gasket temperature range is -40° to 250° F. Open port, does not have shut-off.