DELAVAN, Nozzle Oil Brnr .75gph-80 Deg, EA Mainly used on burners with a hollow cone air pattern and for throughputs up to 2.00 GPH. The droplet distribution is concentrated on the outside of the cone and results in good ignition and low-noise combustion. OIL BURNER NOZZLES Spray Degree=80 GPH=.75 TYPE A-HOLLOW CONE