... is 630mm 2) PVC pipe production line can be equipped with SJZ series conical twin extruder or parallel twin screw extruder ... supply all kinks of PVC moulds PVC pipe production line Specifications: 1) Model: GF125, GF160, GF200, GF400, GF630 2) Max. diameter ... , 0.6, 0.6, 0.6 PVC pipe production line ( with different diameters pipe)