South Central Railway

South Central Railway has published Supply Of refilling of ultra high pure nitrogen gas in 50 ltrs & 68 ltrs water capacity cylinder, minimum gas purity 99.99% and pressure 200 bars as per is 1747 , refilling of ultra high pure nitrogen gas in 50 ltrs & 68 ltrs water capacity cylinder, minimum gas purity 99.99% and pressure 200 bars as per is 1747 [ warranty period: 30 months after the date of delivery ] ] , hpt testing for n2 gas cylinders, hpt validity 5 years from date of testing. [ warranty period: 60 mont hs after the date of delivery ] ]. Last date of submission for this tender is 2026-04-20. This is a Industrial Gases tender in Secunderabad, Telangana