Our company introduced foreign advanced production equipment, manufacturing techniques, and using imported ballonet. The shaft is casted by aluminum alloy, shaft body plated by chromium, and assembled accurately. It's convenient to use and the life-span is longer. When using, match with our company's professional configuration of the aerate gun filling gas for the nozzle jet, to make the shaft of off-axle apperance uniform expansion, thereby lock nitrogen-treated barrel. When unloading, press on deflated mouth to deflated, then nitrogen-treated barrel can be unloaded.

Performance and advantages: In practical applications, it is convenient to operate, quickly, no damage for rolls etc.
Use: It is widely used in printing, cutting, coating, compounding and other machineries' releasing and winding scroll.