Steam nozzles are great for removing moisture as well as oil from steel surfaces. The inlet narrows to form a throat, which is followed by an enlarging form so that atmospheric pressure is reached by adiabatic expansion, producing a flat jet pattern. To decide if you need the blank or flat nozzle you need to analyze the job it’s for.
Hollow cone distributes the atomized oil particles evenly toward the outside of the spray cone. These nozzles are particularly well suited for low firing rates and burners with a hollow air pattern. Normally used in wider spray angles. All Hago nozzles are 100% tested on oil for accuracy of flow rate, spray angle, concentricity, and spray quality.
When a standard hot water pressure washer nozzle is used on a steam cleaner, the wide-angle spray design does not direct or accelerate the steam/water mixture. The result is an effect where the steam expansion cannot accelerate or direct the water droplets, and the effective cleaning capability is diminished or even lost. As a result, a properly designed steam cleaning nozzle is required for best results.
Steam cleaning action is not accomplished by a cloud of steam vapor, but by very hot water droplets accelerated by steam expansion in the nozzle. This process allows the water to reach the surface to be cleaned at a temperature as near the boiling point of water as is possible, enhancing the aggressiveness of most cleaning chemicals and making the task of thoroughly removing grease and oil much easier and faster.
Disclaimer: Ultimate Washer Inc. cannot make nozzle recommendations for your steam machine due to the sensitive nature of this type of equipment. We encourage you to contact the manufacturer of the steam machine to ensure proper nozzle sizing and to assure safety. We cannot be held responsible for improper selections on these steam nozzles.