Ventra RA
PRODUCT FEATURES
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 RA 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.
DIMENSIONS
Roof opening width 900 – 1800 mm
Roof opening length 966 – 2506mm (11 louvres, max.)
Some configuration need to be evaluated due louvres materials. Consult technical department.
OPENING ANGLE
VENTRA individual adjustable from 0° up to 90°
Access roof hatch opening up to 90°
CONTROLS
Opening sideways for roof access manually with gas springs and handle with internal lock, or 24Vdc electric.
Operation VENTRA for day to day ventilation and smoke exhaust ventilation 24Vdc electric.
LOUVRES
BASES
Single wall or double wall aluminium with insulation
FLANGES
S5 – Hinging base
* Custom flange design and insulated flanges upon request
WEIGHT
Depends on dimensions and type of infill
OPTIONS
– Polyester powder coating
