This device equipped with vacuum box,vacuum regulating valve, drive side bearing.The suction Angle can be adjusted by operating the side turbine.The minimum suction surface width of vacuum suction is 3820mm,the maximum suction surface width is 4420mm,seal tire pressure 0.06～0.1MPa,operating side blanket set up all kinds of quick change pipe connections,vacuum gauge(Z—100),pressure gauge (Y60), vacuum regulating valve.
Diameter/length of roll surface：φ800/4150mm
Width of chamber: The width of double high vacuum chamber is 95mm,the width of low vacuum chamber is 135mm.
Roll material: Stainless steel, vacuum box is stainless steel structure, shaft head is 45# steel conditioning treatment,wall thickness 45 mm
Type:Double screw line row hole, bore diameter φ4.5, percentage of opening 23%, equipped with lifting device.
