South Central Railway

South Central Railway has published Supply Of dga calibration gas mixture , dga calibration gas mixture (standard gas) in canister with nozzle, fine control gas compositi on/gas quality certificate for dga calibration mixture capacity 500ml. approx pressure 20kg/cm2 in caniste & stability 12 months. canister containing ch4,c2h6,c2h4,c2h2,h2 gas 1000ppm & co and co2 gas 5000p pm each, balance n2 gas. make: spantech, upg, phoenix or equivalent, canister required with regulator. g as composition test certificate from any approved firm to be provided along with material. ]. Last date of submission for this tender is 2026-05-11. This is a Industrial Gases tender in Gooty, Andhra Pradesh