A functioning smoke and heat extraction system is essential to remove dangerous smoke layers in the event of a fire and to keep escape routes passable. Electrical Window drives They play a central role here: They open affected windows or skylights automatically and reliably – even under high load.
In brief: In a smoke and heat exhaust system, the window actuators open the smoke vents in the event of fire – quickly, reliably and even against wind and snow load. That is why sufficient force, robust technology and regular maintenance matter for RWA actuators.
High-quality actuators are more than just mechanics. They must meet clear safety standards and withstand a high number of load cycles. Our models achieve at least 10,000 double strokes under maximum load and are therefore ideally prepared for regular everyday use and emergencies.
A coordinated combination of drive, control system, and sensors creates comprehensive smoke and heat exhaust ventilation (SHEV) solutions that offer planning reliability to tradespeople and construction companies. Thanks to our own stock in Hamburg, many common models can be delivered at short notice – a major advantage for time-critical projects.
Suitable products: VS-ZA 800 rack-and-pinion actuator (800 N), VS-LA linear actuator (600–5000 N) and VS-KA chain actuator (250–1500 N). You can find an overview of all drives in the Vent Systems Shop.
The maintenance and inspection obligations for smoke and heat exhaust systems are explained in the guide SHEV maintenance and inspection duties.
Frequently asked questions
What is the role of window actuators in a smoke and heat exhaust system?
In the event of fire, they open the assigned windows or rooflights automatically and reliably – even under high load – so that dangerous smoke layers can escape and escape routes remain passable.
What requirements must a high-quality SHEV actuator meet?
It must meet the relevant safety standards and withstand a high number of load cycles. Vent Systems actuators achieve at least 10,000 double strokes under maximum load.
Can SHEV actuators also be used for daily ventilation?
Yes. Actuators with a high cycle rating are designed for regular everyday use as well as for emergencies. What matters is a well-matched combination of actuator, control unit and sensors.
Suitable products at Vent Systems
Read more: What is a smoke and heat exhaust ventilation system (SHEVS)? Abbreviation, function and structure explained simply. · RWA vs. NRWG: What is the difference?
Questions about the selection process? Contact us – We will advise you on drive systems, controls and accessories.
An overview of suitable actuators can be found at Smoke and heat exhaust ventilation (SHEV) drives for windows and skylights.
Read more: Smoke Vent in the Stairwell: Requirements, Opening Size and Operation
Questions? 040 50694631 · info@ventsystems.de
Frequently asked questions
Which force does a chain actuator need on a roof window?
More than on the façade: on a roof window the actuator lifts almost the entire sash weight, plus snow and wind loads. Plan for a clear force reserve. Find the right value with the window actuator calculator.
Does an electric roof window need a rain sensor?
Yes, this is strongly recommended. The rain sensor closes the window automatically as soon as it starts to rain – even when nobody is at home.
Chain actuator or spindle actuator for roof windows?
Chain actuators are compact and suit normal roof windows. For heavy rooflight domes or large sashes, a linear or spindle actuator is often the better choice.
