Pneumatic Oil Burner Nozzles GA Siphon Oil Buner Nozzle Model GA is a pneumatic atomizing nozzle. It can be used to atomize water, oil and other solutions with the aid of air. So it requires a special adapter to connect the liquid and compressed air. The liquid is automatically inhaled based on the siphon. Model:GA series Construction:Two-piece body with a removable spray disc Body Material:Brass Body thread:9/16-24UNEF Air pressure:0.21 to 2.8 bar Liquid supply:Siphon or gravity Spray angle:20° to 95° Flow rate:0.17 to 1.1 lph at 4 psi air