BT-20A automatic switch control cabinet is
equipped with two sets of pressure reducers,
an electric switch control valve, power supply,
touch switch control system, insurance pipe
and other electrical components. The output
pressure of each set of pressure reducers can
be adjusted by the handle, and the output
pressure is 0.07-1.6Mpa. The electric switch
valve is used to switch the gas path, and when
one of the gases is exhausted, the system
automatically switches to the other, and vice
versa.