Air Shafts offered by us are required for fast change over of unwinder / winder roll. Air valve air can fill and the air shaft can hold the core by expanding the rubber bladder after removing the air by thump press. The regularly used cores are 3 inch ID core, but bigger cores are also used where heavy weight of the unwind/re-wind rolls. Our Air Shafts are core-holding device suitable for 3” core inside diameter & 70mm core diameter. Lugs type Air Shafts are most commonly used for paper or PVC core holding.
