Airblast-NOZZLES AND NOZZLE HOLDERS

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NOZZLES AND NOZZLE HOLDERS

Airblast high-velocity venturi style nozzles have been designed specifically to give maximum blast cleaning rates,
uniform abrasive distribution and economy over an extensive operating life.

All Airblast nozzles including the long life, 1¼ " wide throat nozzles incorporate the industry standard 50 mm coarse thread giving quick release
from the nozzle holder and avoiding grit entrapment. We still offer as an alternative the original style fine thread nozzle.

TUNGSTEN CARBIDE NOZZLES
Airblast’ s own brand wide range of Tungsten-Carbide lined nozzles are available in both long venturi and
straight nozzle format. They constitute the work horse nozzle of the industry being robust and efficient.

Airblast offers a full range of short straight and venturi nozzles for small diameter hoses used in cabinets or portables.
Internal diameters of [ " to ½ " ensure that you have the nozzle to suit your particular application.

SILICON NITRIDE / CARBIDE NOZZLES
Airblast after much research and development in their continued striving for improvement, have introduced the silicon
nitride nozzle with a polyurethane jacket using a bonding technique to eliminate separation.
The jacket absorbs shocks ensuring no damage to the liner of the nozzle takes place. Moulding of the polyurethane is carried
out by vacuum which guarantees the large 50 mm thread an accurate fit in the nozzle holder.
Field tests have shown an increase in nozzle life when compared with equivalent sizes of tungsten carbide lined nozzles if handled
in the correct manner, reducing operator fatigue and increasing productivity.

BORON CARBIDE NOZZLES
These offer the longest wear life of any nozzle material including silicon carbide, silicon nitride and tungsten carbide. Peak nozzle production performance is able to be maintained for much longer periods giving more economic use of air and abrasive.

NOZZLE HOLDERS
The Airblast nozzle holders are available in nylon and aluminium. All types are complete with high wear, replaceable rubber gaskets.
All nozzle holders are manufactured to fit externally over the blast hose. Internal grip rings bite into the blast hose
for a safe and secure fit and retaining screws provide additional holding power without penetrating the inner hose layer.

Approximate nozzle service life in hours *

Nozzle material

Steel shot and grit

Expendable abrasives

Aluminium oxide

Tungsten carbide

500-800

300-400

20-40

Silicon carbide and nitride

600-1000

400-600

50-100

Boron carbide

1500-2500

750-1500

200-1000

* Estimated values for comparison. Actual service life will vary depending upon blast pressure, media size and particle shape.

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