When the air valve is in use, if you find that the exhaust leaks due to dirt jamming, please remove the exhaust valve for cleaning, and then reinstall it after cleaning.

The air valve must be installed vertically, that is, the internal float must be in a vertical state, so as not to affect the exhaust.

Air valve selection: The location of the valve is more important than the diameter.

Air valve including Single orifices air valve, automatic double orifices air valve, double orifices air valve with inner isolation.

The air valve is a special valve used to prevent negative pressure in the pipe caused by the transient pressure reduction wave.