Delavan Oil nozzle 30609-050

The Delavan 30609-050 is an oil nozzle that atomizes fuel into a fine spray for combustion. It produces a solid cone spray pattern, suitable for various fuels including waste oil, crude oil, heavy fuel oil, and diesel. The nozzle features large fuel passages to prevent clogging and is constructed from brass and stainless steel for durability. It has a standard threaded connection with a hexagon for easy installation. This nozzle is factory-tested and supplied in a protective plastic case.

When selecting a replacement oil nozzle, ensure the flow rate (in gph or kg/h at reference pressure), spray angle, and spray pattern match the burner's data plate. The thread type must also be compatible. Nozzles are typically installed using a wrench on the hexagon, and it is crucial to verify the existing nozzle's markings before ordering.

Oil nozzles can fail due to clogging, wear, or damage, leading to poor atomization. Symptoms include sooting, pulsation, unstable ignition, or incomplete combustion. Regular inspection and replacement as part of maintenance are recommended to prevent these issues.