... Certifications Reliable performance Professional Brand Conical Twin-screw Extruder(SJZ51/105, SJZ65/132, SJZ80/156, SJZ92/188) PVC pipe conical twin ... mode SJZ51 SJZ65 SJZ80 SJZ92 Diameter of screws(mm) 51/105 65/132 80/156 92/188 Quantity of screws 2 ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); Professional Brand Conical Twin-screw Extruder (SJZ51/105, SJZ65/132, SJZ80/156, SJZ92/188)