If you need to connect and disconnect tubing or hose, more than once or twice a year. If plant, process or machine downtime is expensive. If it's important not to spill a dangerous or messy fluid. If service and maintenance needs to be quick and easy, or if your closed loop fluid system is pressurized. If attachments or accessories need to be connected or disconnected. If simple to operate, one hand leak-free connections are what your customers expect.
