Deployment Of Service Personnel For Inspection And Healthiness Checkingof 21Kv Bus Duct Pressurisation System For Three Units Of 500Mwgenerators Of Kahalgaon Stpp Deployment Of Service Personnel For Inspection And Healthiness Checkingof 21Kv Bus Duct Pressurisation System For Three Units Of 500Mw Generators Of Kahalgaon Stpp , Deployment Of Service Personnel , Bus Ducts ( Press Sys ) Inspection , Material Supply , Manometer ( 0-50Mbar ) , Pressure Switch ( 5-15Mbar ) Differential , Time Switch ( Electronic Timer ) , Dust Filter To Suit 1/2 Bsp , Oil Filter To Suit 1/2 Bsp , Safety Valve To Suit 1/2 Bsp , Electro Valve Solenoid 240V , 50Hz , 1-Phas