Roof access hatch VENTRA-RA

rectangularaluminumpolycarbonate

VENTRA RA is a combination of the multi louvred ventilator type VENTRA with a hinging base adaptor for roof access. This solution meets the need for a EN12101-2 certified natural smoke exhaust ventilator that is also suitable as a roof entry hatch. The base adaptor is formed from high quality corrosion resistant aluminium and is available with single wall or double wall insulated base. Sideways opening can be either manual with gas springs or with electric motors. The VENTRA as opening lid is available with various louvre – and base options and has standard a 24Vdc motor for daily ventilation and smoke exhaust. TYPICAL APPLICATIONS To be installed on the roof, standard provided with a S5 flange type for fixing onto an upstand. Other flange options possible on request. MATERIALS Tempered aluminium, sea water and corrosion resistant (EN AW 5754). Corrosion resistant bearings. Built-in weather resistant hydrophobic tape. Note: aluminum is supplied untreated as standard. Possibility of being supplied with electrostatic painting (in any RAL color). Note: some configurations need to be evaluated due louvres materials. Please consult our technical department. OPENING ANGLE Ventra individual adjustable from 0° up to 90° Acess roof hatch opening up to 90° CONTROLS Operation VENTRA for day to day ventilation and smoke exhaust ventilation 24Vdc electric, in accordance with EN 12101-02. Opening sideways for roof access manually with gas springs and handle with an internal lock or 24Vdc electric.