... as combined machine head with two-layer extrusion, lower blowing water (rapid) cooling, rotation of mould head etc. It is applicable to ... 152 X 22ROTATING DIEDIE DIAMETERmmΦ 300Φ 350Φ400HEATER CAPACITYkw15.3WATER COOLING RINGcm35,40,45,5055,60,65,7045,50,55,6065 ... subject to change without prior notice Multi-layer co-extrusion water-cooled PP film blowing machines/film blown machinery