Pre-heater diameter 600mm/900 mm / 1000 mm/1100mm. butterfly head makes heating
Pre-heater designed to be rotary as a fixed speed, which makes th temperature
of the surface equal and pass the heat to the paper completely, and also reduce
heat loss and make the paper not easy to be broken off.
is used for steam rotary joint.
according to national standard of pressure container i, test certificate is
guide roll: φ140mm, three fixed, the other three travel outside of preheating
roll to control the heating surface. The parallelism of the travel paper guide
roll can be adjusted.