FEED CHECK VALVE IN BOILER| FEED WATER SYSTEM|

WHY TWO VALVE IS PROVIDED IN FEED VALVE SYSTEM| WHAT IS DOUBLE SHUT OFF ARRANGEMENT|HOW IT IS USEFUL| APART FROM FEED CHECK VALVE WHERE IT USED|

[@fazlerabbi1990]

Your presentation is great sir, Don't stop making videos. I hope,One day you have millions views that you deserve. Thank you

[@chandrashekarpatil7177]

Sir Please never stop making videos

[@MarineEngineeringHub]

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[@TheZeeman1982]

Thank you so much brother!!!!!

[@neyanmahizh4293]

You are great sir ...

[@abulkashem4692]

thank you

[@MarineEngineeringHub]

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[@nazrannizar6012]

Thank youu

[@mohdhakimbinabdghani5062]

Shut up you