NRV|Non Return Valve|Back Flow को कैसे रोकता हैं NRV|Practically समझे Operation ko|Check Valve|Hindi

[@mukuldev5134]

Nice explained sir ❤️❤️

[@rajkumarrajbhar6566]

Thanks sir

[@mohdyusuph9283]

NRV pump par input ya output kaha lagana thik hai sir ji bataye

[@razvivlogs96]

Ye NRV kitne pressure par open hota hai?

[@Shyama000]

Aap kon si industry mea work kr tea ho

[@mdtausif6946]

How to do field calibration of pressure transmitter show us practically please sir language in Hindi sir

[@dhananjayshapurkar3426]

This is not nrv this is dual plate check valve dpcv