To offer a variety of sizes and shapes of the venturi nozzle, steel,aluminum, nylon and other materials jacket can be selected                   Estimated Service Life in Hours

Nozzle Material	Steel/Grit Shot	Sand	Aluminum Oxide
Alumna	20-40	10-30	1-4
Tungsten Carbide	500-800	300-400	20-40
Silicon Carbide	600-1000	400-600	50-100
Boron Carbide	1500-2500	750-1500	200-1000

Values for comparison only. Actual service life will vary.

     Gas  dynamics of venturi nozzle is better than straight-hole nozzle, the vortex is improved

or ceased to exist, greatly reduced the pressure loss in the same pressure conditions.

Abrasive exports increased to more than double the speed, efficiency than the straight-hole

nozzle to increase 15% -40%, 20% lower abrasive consumption.

       We also could provide other types according to customer's request.

Boron Carbide Nozzle