simple S manifold. when the is injected,the electronic time is activated by a microswitch on the injection "value. the time form injection to stopping of the pumping (delay time) and the length of the stop time can both be preset on the timer.
simple S manifold.when the is injected,the electronic time is activated by a microswitch on the injection "value.the time form injection to stopping of the pumping (delay time) and the length of the stop time can both be preset on the timer.