Thursday 11 April 2024

EXAIR Siphon Fed Atomizing Nozzles


Now a days, the cost of consumable products is on the rise, especially with paints, oils, and yes, even the cost of water.  You can help alleviate some of that cost by being more effective at spraying and by using less liquid.  The EXAIR Atomizing Nozzles can accomplish both of these objectives.  With the addition of compressed air, the liquid can be sheared into smaller micron-sized droplets.  By reducing the diameter of a particle by half, the surface area will increase by eight times.  With a smaller diameter, it will increase the coverage; thus, using less liquid material in your application.  In combination with a variety of spray patterns, you can accurately target the liquid onto the product instead of around the product.  EXAIR manufactures three families of Atomizing Nozzles; Internal MixExternal Mix, and the Siphon Fed.  Here, I will be discussing the Siphon Fed Atomizing Nozzles.

When no liquid pressure is available, the Siphon Fed Atomizing Nozzles will be able to create a vacuum to draw the fluid into the nozzle.  This action is done by a unique design of the air cap.  As the velocity of the air passes through the air cap, a low pressure is generated on the liquid side by a venturi.  These Atomizing Nozzles can draw liquid from a suction height of 36” (91 cm) or can be gravity fed from a distance of 18” (46 cm).  They are manufactured from stainless steel for durability and corrosion resistance.  The Siphon Fed models can spray viscous fluids up to 200 centipoise, and are used in many applications like washing, coating, cooling, quenching, and dust control. 

EXAIR carries three different body sizes; 1/8”, ¼”, and ½” NPT ports or with BSP conversion fittings.  So, you can create a light mist or a monsoon.  The maximum liquid flow rate through each body size is controlled by the air and liquid cap.  These caps are easily interchangeable for each body size to modify the spray patterns, control the amount of fluid, and reduce any downtime if cleaning is required.  The amount of liquid to be applied is easily adjusted by the siphon height, inlet pressure, and the liquid adjusting stem.  So, you can dial in the exact amount of fluid required for your process to eliminate any waste or excess. They are very compact and easy to install.  We carry mounting brackets for each size to allow for easy mounting and positioning.   Versatility is very important in saving, applying, and spraying costly fluids, and the Siphon Fed Atomizing Nozzle has it.

To reduce waste even more, EXAIR has a No Drip option.  This patented design is used to keep the expensive liquid from dripping out of the Atomizing Nozzles.  When the compressed air is turned off, a valve inside the body will create a seal on the liquid side.  For delicate applications, the No Drip option eliminates drips, which could possibly ruin the finish of your product.  This option also enhances the function of the Siphon Fed Atomizing Nozzle in intermittent processes.  It will keep the liquid inside the body of the nozzle; so, when air pressure is applied, the Atomizing Nozzle will give an instant spray.  Unlike some manufacturers, there is no need to run a separate compressed air line to operate the No-Drip function.  The Siphon Fed Atomizing Nozzles with the No Drip option becomes simple, efficient, effective, and controlled without any drips.   

If you need to maximize the liquid dispersion and minimize liquid consumption, the EXAIR Atomizing Nozzles are the products to use. Instead of researching the requirements for liquid pumps or pressure pots, the Siphon Fed Atomizing Nozzle can draw the liquid through the feed line and start spraying.  It can help reduce the cost of your project as well as save you money on your consumable products.  

For more information contact us at below contact details or visit our website

Vivek Engineers
#22, 1st Floor, 1st Cross, 
Bilekahalli Indl. Area, Adj. IIMB Compound, 
Bannerghatta Road, Bangalore - 560 076 
Ph : 080 -  2648 1309, 4170 1145

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