Fire Riser System By: B.D. DFSO

[@MAHESHKUMAR-np8fl]

Very nice👍

[@lkrgambo6843]

Now i came to know the meaning of Dry Riser,Wet Riser and Alternate wet,dry riser system...Thanks sir🙏

[@mashakhnippani8647]

Very nice

[@aarsharv1491]

❤

[@parsuramdas7630]

Kya Sesion change me wet riser ko dray me convert nehi ho sakta kharcha bacha ne kelie?

[@saranshjoshi3167]

nice video

[@narsiramgurjar8016]

Very Nice Sir

[@mdahsanullah5335]

Good knowledge

[@omprakashverma3836]

Sir hydrent dan riser line me kya different hai

[@ArunSingh-g2b]

Good question

[@s.k.chouhan3982]

Riser m konsi gas bhari hote h?

[@samaykumar7515]

Nice sir

[@yogeshgudha7219]

Very good sir

[@dwarikabandhe411]

👍🙏 Thanks sir

[@sibbukankarwal4321]

👍

[@prashantbajpai9236]

Hazchem code ke baare me betaye

[@vinayjadhav5803]

Sir riser line me pressure kitna hona chahiye 🙂

[@timiracharjee6178]

7kg/cm^2 and at the furthest point the pressure has to be maintained at 3.5kg/cm^2

[@RajendraRegar-gw3pi]

Very nice

[@a.faisal_meemer8225]

👍

[@mayankparihar6805]

Nice sir

[@lokeshpradhan8661]

Very nice sir jii