Sandblasting nozzles for abrasive blast cleaning

 

Sandblasting nozzles for blast cleaning are used to pressureize, accelerate and focus abrasive stream to: (1) Remove contaniments from a surface, (2) Remove coatings and  (3) create an anchor pattern or profile so that a coating can adhere to metal surface.  A wide variety of structural, steel surfaces need blast cleaning before painting, e.g. Bridges, locomotives, rolling stock, silos, tanks, petrochemical plants, oil rigs, military equipment, boats / shipyards and bodyshops.  Smaller or more delicate parts are also blast cleaned e.g. aircraft outer surfaces to clean off old paint, electronic parts, auto bodies, fiberglass products, wood surfaces, engines and transmissions.  Dentists use small nozzles to spray bicarb of soda solution on to teeth!Think of a surface and nearly all need some form of abrasive cleaning.

 

 

 Abrasive blast cleaning nozzles are used in conjunction with many different types of machinery e.g. Sandblasting pots, sand blasting cabinets, peening machinery, pressure washers, suction guns, slurry blast cleaning machines,  machinery for stripping paint of aluminum,  robotic / remote controlled blasting machines, water blast cleaning systems etc.

 

Blast cleaning media, flowing through a nozzle, will eventually wear away liner bore. As bore size increases it gradually reduces sandblasting system's performance by increasing demand for air.  In situations where no more air is available this will result in reduced abrasive exit velocity and reduction in blasting performance and increase in costs. It is important to check nozzles before start of every shift for bore wear and/or any damage. 

 

 Everblast's contractor style sandblasting nozzles  for  grit blasting  are supplied with a choice of contractor style (2" /  50mm) or  -1/4" NPSM threads.  Our long venturi sandblasting nozzles are available with either 1" (25mm) or 1-1/4" (32mm) entry.

 

Our nozzles are available with industry standard fine threads both 1-1/4" and 3/4" NPSM

 

We offer a wide range of straight bore sand blast nozzles and inserts made from tungsten carbide, Silicon carbide or boron carbide. These inserts are widely used in suction style blast cleaning guns and are used where small parts or light blasting is needed e.g. in blast cabinets and / or workshops.  We also make a range of armor jacketed short, straight bore boron / tungsten carbide nozzles with 3/4" NPSM threads that use a 3/4" NPSM threaded nozzle holder that it attached to the blast hose.   

Our medium length ATV nozzles are higher performance than short UT style nozzles. How do ATV nozzles achieve this?

The answer is: UT nozzles have a straight bore; ATV nozzles have a venturi style bore. Having a venturi shaped bore increases exit velocity. Higher exit velocity means higher abrasive impact speeds & improved productivity. If you are using UT style nozzles and need higher performance, then look at our ATV nozzles. Available in a choice of Boron carbide or Tungsten carbide.

Choice of jacket styles and materials.

We offer a choice of different jackets to protect carbide sandblasting liners. From our all armored alloy jackets and threads that provide a very high level of protection against ricochet wear and impact to lighter weight thermoplastic plastic jackets that provide good impact protection for liners. 

 High Performance Nozzles:

Everblast makes a range of high quality Boron carbide High performance XLBC blast cleaning nozzles. These light weight nozzles have an advantage over other high performance nozzles in that they offer superior wear properties typical of boron carbide.  These nozzles blast faster and are great to use when large surface areas need blast cleaning. They can be used for dry and wet blasting.  Our Venturi Nozzles are available with either 1-1/4" NPSM fine threads or 2" coarse threads.  

 Angle Nozzles:

We offer a comprehensive range of angle nozzles that can direct abrasive flow at 45 degrees (approx) this is a great help when blast cleaning difficult to reach areas. These 45 degree sandblasting nozzles are available with one, two or three, forward shooting exit ports. We also offer a 1/2" O.D. blast cleaning probe for blast cleaning inside small (narrow) deep holes. Also avaible are 90 degree blast cleaning nozzles.

 Wet Blasting:

Wet blasting and soda blast cleaning has become popular, as these methods offer a way of controlling dust - please see our range of Wet blasting nozzles. However, like many methods of blast cleaning there are pros and cons. It is important that each blast cleaning company researches to find out which method of blast cleaning (wet or dry) offers optimal results, given the type of surface preparation work being undertaken, abrasives used & coating that may subsequently be applied.

 

Guide on Estimated Nozzle Service Life in hours.

All figures are indicative and given for nozzle comparison purposes only. Actual nozzle service life will depend on operational variables, such as blast pressure, media dimensions and media particle profile. All figures are approximate.

Nozzle Liner Material	Steel/Grit Shot (hours)	Expendable Abrasives (Hours)	Aluminum Oxide (Hours)
Ceramic	20-40	10-30	1-4
Tungsten Carbide	500-800	300-400	20-40
Silicon Carbide/Silicon Nitride	600-1000	400-600	50-100
Silicon Composite	1400-2300	700-1450	180-900
Boron Carbide	1500-2500	750-1500	200 - 1000