Coating material spray gun having adjustable flow rate

摘要

In a spray gun of the present invention, a coating material circulation flow passage (7) is formed in a spray gun body (1) so as to introduce a coating material from a pump into an inside of the spray gun body (1) and return the coating material to the pump. A branch flow passage (12) is branched off from the coating material circulation flow passage (7) and connected to a coating material chamber (6) communicated with a coating nozzle (2). Further, a flow rate adjusting valve assembly (15,29) is provided in the branch flow passage (12).