DELTA is a double flap smoke vent suitable for the removal of large quantities of warm air and / or smoke from a building within a short period of time, daily ventilation and natural lighting. Suitable for utilization on various kerbs and domes.

Product Features

 The vents are manufactured according to ISO 9001 quality control standards and comply with the European requirements for NSHE according to EN 12101-2. Endurance tests with 10,000 opening and closing cycles have proven its robust and functional design. The vents are formed from high quality corrosion resistant aluminium to ensure low maintenance requirements and watertightness. 

Various methods of operation using pneumatic or electric actuators are available. Available on large dimensions, up to 2500 x 3500 mm (width x length). 

Tempered Alumininum


Opening 140º,150º & 160º



RAL 9005

Tempered Glass



Typical Applications

May be installed either onto roofs or into barrel vault daylighting systems. Particularly suitable for warehouses, logistics centres, production environments and industries. 


Tempered aluminium, sea water and corrosion resistant (EN AW 5754). 
Corrosion resistant bearings. 
Sealant applied so that there is no freezing, enabling the equipment to have low air permeability at the same time. 

Note: aluminum is supplied untreated as standard. Possibility of being supplied with electrostatic painting (in any RAL color). 


Roof opening width: 1000-2500 mm
Roof opening length: 1000-3500 mm

Opening Angle

Individual adjustable from up to 90º. 

Controls Fire Ventilation

P2F: double pipe compressed air operation with fire fucntion. M24V: electric motor.

Controls Natural Ventilation

P2: double pipe compressed air operation.
M230V: Electric Motor.


Single aluminium
Double wall aluminium with insulation
Double wall aluminium with insulation and
TB, thermal break in the aluminium base
Other non-standard bases available upon


Depends on dimensions and type of infill.


Custom Dimensions;
Powder coated design (any RAL color);
Bird or Insect Mesh/ Anti-Fall Grid 1200J


The system has been tested and is certified in accordance with EN 12101-2.

Tested in accordance with the Directive 2014/34/EU, DELTA is ATEX certified equipment.