The Investment casting spiral nozzle is a new type of conical nozzle, which can produce a spiral hollow or solid conical spray shape, and the spray Angle is 60° to 170°. Uyilo lwe-comptut lotyalo-mali lweSpiral luvumela ulwelo ukuba lutshiswe kwinqanaba lokuhamba kombhobho, ukunciphisa i-nozzle i-onzles ibonisa ukuncipha kwamanzi kwaye Yandisa ukuhamba kwe-fluimed ngobukhulu obunikiweyo.