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When selecting a blasting nozzle, you should take into account its shape and material. While the shape influences the velocity and the blast pattern, the material depends on the blasting media to be used, the desired service life, and the size of the blast job.
Nozzle shape
Among the many types of blasting nozzles, three are widely used.
The shape of the nozzle affects Velocity and Blast Pattern:
The nozzle material selection depends on several factors:
Below, we provide some general application guidelines for various materials.
Nozzle material | Steel shot/grit | Slag | Aluminium oxide |
---|---|---|---|
Ceramic | 20-40 hrs | 10-30 hrs | 1-4 hrs |
Tungsten carbide | 500-800 hrs | 300-400 hrs | 20-40 hrs |
SiAlON | 500-800 hrs | 300-400 hrs | 50-100 hrs |