Pneumatic pressure wave profiles and
switches for automatic doors and barriers in public transportation
Produkte DW Pressure wave switch
DW Pressure wave switch
The pressure wave switch system impresses with its high response sensitivity and thus protects people and vehicles from almost all directions. Thanks to their robustness and durability, they also impress as opening impulse generators for automatic gates and vehicle doors on buses and trains.
Even a low pressure of 3 to 4 mbar on the signal transmitter is enough to ensure safe switching. Pressure wave switch systems are practically fault-free and maintenance-free and are characterized by a particularly favourable price-performance ratio.
Use on vehicle access systems
The sensitive pressure wave profiles on bus, train and streetcar access systems switch at minimal pressure and protect against unwanted closing operations.
Pressure wave sensor for more safety
When pressure is applied to the profile, the volume of air it contains is compressed in a pulse-like manner, generating a pressure wave.
This is fed into the pressure wave switch via the connecting hose, where it triggers the contact.
DW Pressure Wave Switch Manual 
1.4 MB 
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