Deaerator (feed water storage )tank level switch -VD04- Float type Level switch
Channel: INDUSTRIAL LIBRARY
Date: 08/03/2021

In this video discuss about float type level switch that was commonly used in power plant deaerator  tanks for feed pump safety purpose.
Mostly four switches used in deaerator tanks , 
In this switch formally coming with dual contact ,ferromagnetic type 
Float is adjustable for required level to control
This was mainly used to interlock for feed pump , from preventing damage from no water running state. 
This was very small application ,but great feedback given to plant automation