In case the condensation water level lowered,auxiliary valve falls and steam enter the kibble through inlet pipe,key valve be closed.

• 当集水池的凝结水水位下降时，封闭进汽管的副阀落下，蒸汽从进汽管进入阀腔的吊桶，吊桶上浮使排水口的主阀紧紧关闭。