QT-XL – THE actuator for fire protection and smoke extraction dumpers with high torque requirements
- 150 Nm spring return
- 300 Nm adjustable
- Under 25 kg
- Also with Ex-approval
QT-XL by pi safety: Maximum actuating power and safety for tunnel smoke extraction
In the event of a fire, absolute safety and reliability are paramount. The mechanical safety function of the QT-XL guarantees maintenance-free safety for decades.
The new QT-XL electric actuator from pi safety was specifically developed for tunnel smoke extraction and safety-critical applications. With up to 300 Nm of torque and an optional spring return (150 Nm), it offers maximum reliability when precise control and a guaranteed response in an emergency are essential.
Thanks to its compact design (under 25 kg), robust construction, and optional approvals for safety-critical applications, the QT-XL is ideal for manufacturers and operators of tunnel dumpers, fire protection systems, and industrial ventilation systems.
Powerful, safe, efficient – specially developed for your application
The QT-XL actuator combines exceptional force with intelligent safety features in a compact housing::
- Superior Power:
With 300 Nm (adjustable), the actuator effortlessly operates large louvre dampers such as those used in tunnel smoke extraction systems. - Guaranteed fail-safe position:
The integrated 150 Nm spring return ensures that, in an emergency, the smoke extraction dampers immediately move to the defined safety position.
- Easy Installation:
Despite its high performance, a weight of under 25 kg makes the QT-XL easy to handle and install, even in complex tunnel shafts. - Made by pi safety:
Decades of experience in actuator technology and sensor technology. - Proven Quality:
As a German quality product MADE IN GERMANY, the QT-XL stands for the highest reliability, maintenance-free operation, and longevity.
The solution for your critical infrastructure
The pi safety QT-XL actuator is the first choice for controlling:
- Butterfly valves
- Rotary valves
Ideal for:
- System integrators
- Valve manufacturers
- Industrial applications
Request technical information now!
Learn more about the new QT.Ex-XL, its application possibilities, and the numerous advantages for your project.