Procurement Of Standard Gas . , Gas Calb:Nox:Standrd-10 Lt Cylinder , So2 75 - 85 Ppm Balance N2 , 130Ksc , 10 Ltr , Calibration Gas ( Co2 ) For Fg Analyzer , Zero Air Gas Purity-99 . 999 , Gases Calib:O2 In N2:6 . 0% In 10Lts Cyl . , Cal . Test Gas 1% O2 Rest-N2 10 Ltr , Hydrogen ( L ) Is:1090: 99 . 999%-Ultra Pure , 95% H2 , Balance N2 ( Test Cylinder ) , Gas:Calib Gas Mix:Spancan 1000Ppm , Valve Safety Guard , Cylinder Valve ( Brass ) ( New Valves Shall Confirmed To Indian Standard Is:3224 &Are Approved Cce Nagpur , Valve Gland Nut , Valve Spindle , Cylinder Ring , Bottom Ring , Cylinder Cleaning Charges , Preconditioning &Degreasing Cherses , Hydraulic Testing , Painting Of Cylinder