... device, vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device.Use:The lines are designed developed by ... /400Temperature Control4Air Ring1Air Blower(Kw)5.57.511Take-up UnitPinch Roller(dia.width)mm165, 1400190,1600190, 2100Take-up Speed(m/min ... .2 three-layer Co-extrusion Rotary Die-head film blowing machine