Because in failure of One gauge glass... You have a spare one to see the water level on boiler. Until you fix it. Also if the gauge glass will break.. They there Is a special ball inside both water side & steam side valve which will prevent water or steam coming out of boiler in the event of gauge glass failure.
@@chiefengineerviraldungrani9581 thank you for the answer sir. Sir other than gauge glass, 2 more electronic water level indicator are present? What's their purpose?
@@deependranegi7822 well on एइस for water level indication in local boiler panel... And remote in control room. Which is there for alarm. Other water level indicator is for tripping the Burner of the Boiler.
the easiest explanation ❤
Thanks sir...i had a dout about additional discharge line given to the pump....now its clear...Thanks sir..
Thnk u for making useful video plz make video on boiler safety valve setting and prepare boiler for survey
Sir is this feedback forward control??? Please make one video for cascade controller
how does differencial relay works?
how p+I controller works?
All cleared
Sir, how can we test boiler low level and high level alarm?
Why 2 water level indicator present on boiler?
Because in failure of One gauge glass... You have a spare one to see the water level on boiler. Until you fix it. Also if the gauge glass will break.. They there Is a special ball inside both water side & steam side valve which will prevent water or steam coming out of boiler in the event of gauge glass failure.
@@chiefengineerviraldungrani9581 thank you for the answer sir.
Sir other than gauge glass, 2 more electronic water level indicator are present? What's their purpose?
@@deependranegi7822 well on एइस for water level indication in local boiler panel... And remote in control room. Which is there for alarm. Other water level indicator is for tripping the Burner of the Boiler.
scammer