Gate structure made in electro welded metallic carpentry and aluminium anodized profile, bearing sliding guides, supports and brackets for movement and suction device. Electric fan with high capacity with support and silencer. Speed variable motorization through reduction unit gear and inverter. Sliding longitudinal trolley by means of prismatic wheels on alloy guides at profile. Transmission by means of toothed belt and pulleys. Vertical movement trolley with pneumatic movement bearing rubber mousse support plane and grip device with adjustable suction cups. Alutec profile protection carter for working area and polycarbonate plates. Controlled lifting of doors with electrical security at opening. Finishing through galvanizing and epoxies painting.