Single venturi Sandblast nozzle Aluminum jacket 150*8mm free shippingMaterial: Tungsten carbide Outjacket: Steel Length :135/150/175/210mm Bore diameter:6/8/10mm Production process 1.Tungsten carbide and other raw materials grind in ball crusher(72 hours)
2.die-filling
3.hot press molding(2500°C)
4.natural cooling
5.Mould unloading 6.end preparation 7.Shell processing and surface treatment8.Assemble
9.Inspection and storage The different between single venturi and double venturi nozzle Single venturi nozzle is the long range type, one air inlet. Double venturi belongs to high speed type, with eight holes around the shell, due to the high speed air flow, the speed of air ejecting faster than compressed air, speed of blasting is higher.