1.        The medium uses Ø400—Ø900 preheating cylinder,and the outer facing and triple preheater use Ø400—Ø900 preheater cylinder.

2.        Two paper lead rollers,including onefixed and another moving about the preheating cylinder,with adjustment range of 60℃Ø400—Ø900－220℃.The preheating cylinder is polished.

3.        The paper lead roller is ground and electroplated on the surface.

4.        Internationally advanced energy–saving butterfly seal head,providing full preheating of paper boards and higher use factor of heat efficiency.

5.        Steam pressure of1.1—1.2Mpa.

6.        Metal hose in stead of siphon,solving the problem that siphon is easy to fall off and diffcult to control the angle,providing more thorough draining and effectively raising the cylinder body temperature and machine speed.