When used with the male QD these quick disconnect seal up very well in either flow direction, without a lot of work in connecting them. These feature a 1/2" Male Pipe Thread on the ends for easy connectivity to almost anything.
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.