Hell guys!! HVAC se related choti SE choti problem ki video ham bana KR upload krte rhte jisse apko HVAC ki knowledge milti rahe so plz ＬＩＫＥ | ＣＯＭＭＥＮＴ | ＳＨＡＲＥ | ＳＵＢS C R I B E Keep Sharing - And Subscribe For More Updates... THANK YOU.
Thank you so much sir..🙏🙏🙏 Mai Aapka hr ek video dekhta hu bahut kuch sikhane ko milta hai bahut hi achhe se smjh me aata hai sir Mai Buxar Bihar se hu
Sir yah nrv valve kitne pressure per open hota hai... Yah questions mere engineer sir ne poochha tha mere se main Bata nahin Paya tha... please bata do
Sir ek question mere se pucha gya tha ki loading unloading kya hota hai jiska answer Mai nhi de paya tha sir ek baar esko bhi smjha dete to Acha hota... thank you sir
NRV is used to avoid back flow of water which may cause damaged in impeller of the pump or may cause water hammering... Butterfly is used to isolate the pump during any maintenance activity or any shut down activities like NRV changing, pressure gauge changing etc
