jockey pump full details in hindi || what is jockey pump || pump room || fire fighting || Pump house

[@Satyajitsarkar042]

Sir pump ka earthing kaise kare iss topic par ak video banaye plz

[@Ranjanfireengineer]

Ok

[@shamsheermohammad3617]

Sir delivery pressure gauge NRV valve se pahle kue hai?

[@Ranjanfireengineer]

Nrv ke upar line ka pressure rhta h uske liye already ek pressure gauge hota h

[@Ranjanfireengineer]

A jo pressure gauge h wo jab pump start hoga us time pe pressure show kre ga