The well-known versions MANUAL, SIGNAL,PNEUMATIC, which are characterized by their tightness, high quality, easy maintenance and durability, have been supplemented by the ELECTRO version.
The switching speed is fast - between 0.2 and 0.3 seconds!
It is available as a pipe and ceiling 2way-valve.The pipe divider could be particularly interesting for you - with 7 possible working positions.