PVC
 profile extrusion line is mainly applied in manufacturing PVC window 
and door profile, multi-hole pipe (4 holes, 6 holes, 7 holes, 9 holes), 
the line use different parallel or conical twin screw extruder depend on
 the product section size and mould, and assembled with vacuum 
calibration table, haul-off unit, cutter, stacker etc. The main 
extruders output varies from 150kg/h-450kg/h. The haul-off unit adopts 
the unique elevation technology which is specially designed by our 
company. The vacuum calibration table adopts special designed technology
 to enlarge the vortex cooling system to convenient cool the product and
 meet the high output product requirements. The haul-off and cutting 
speed is synchronized. All the moving adopts PLC computer control, it is
 reasonable designed, stable working, and can cut auto-measured. The 
line can adopt 4 meters, 6 meters, 8 meters, 11 meters vacuum 
calibration table according to the different mould.