Kinds of air shaft Type Name Outside diameter Design feature JZ Heneral exposure air shaft (air shaft ) φ36、φ56、φ74、φ100、φ118、φ150 Simple structure, cheap price JZG strong air shaft（air shaft ） φ74-φ150 Carrying capacity≥1000kg ZJL Aluminium roller air shaft(air shaft ) φ74 Air shaft key JZW Aluminium board tile air shaft (air shaft ) φ74、φ118 Big interface ,fine stability JZX Rubber key air shaft (air shaft ) φ74、φ150 Big friction coefficient, undamager paper JZOB Rack slip fall air shaft ( engineer shaft ) φ75 Relative slip fall ,tension controller Selection and requirement 1.The clients can order different types and specifications air shaft according to own equipment requirement. 2.The availablity of air shaft is manufacturered according as our company standard,other size are all machining according as the demand of the clients,the chart of air shaft must mark the way of intake air ,if radial intake air should remaine 45mm length air tap install site ;if axial intake air ,the outside diameter of air tap install site must bigger than φ35mm. 3.The price of air shaft be calculated according to the length of air shaft pipe . Price USD 220 / Meter Price Condition EXW Shenzhen Origin China Material Aluminium Delivery lead time 25 days Minimum order 1pcs