The model´s machine is ¨EMPIRE MODEL #3648 SRC-9 PNEUMATIC MACHINE¨.
Like this one:
http://www.empire-airblast.com/pdf/product-literature/ProFinish-Systems-Brochure.pdf.As I mentioned before, the nozzles are stuck with a mullple blast gun Pro-Finish® Suction Blast (pag. 7 with a rotation turntable, where the parts are placed.
Thanks