supply of standard calibration gas mixture in canister with nozzle, fine control & gas composition/ gas quality certificate for dga water capacity 0.5 ltr. approx pressure 20 kg/cm2 in canister & stability 12 mon ths. canister containing ch4, c2h6, c2h4, c2h2, h2 gas 1000 ppm & co and co2 gas 5000 ppm each bala nce n2 gas. make spantech, upg, phoenix or equivalent, canister required with regulator. gas composition test certificate of approved firm to be provided along with material. [ warranty p

Northern Railway has invited bids for the supply of standard calibration gas mixture in canister with nozzle, fine control & gas composition/ gas quality certificate for dga water capacity 0.5 ltr. approx pressure 20 kg/cm2 in canister & stability 12 mon ths. canister containing ch4, c2h6, c2h4, c2h2, h2 gas 1000 ppm & co and co2 gas 5000 ppm each bala nce n2 gas. make spantech, upg, phoenix or equivalent, canister required with regulator. gas composition test certificate of approved firm to be provided along with material. [ warranty period: 30 months after t he date of delivery ] ]., with an EMD of ₹0 Cr. Please refer to the tender document for project value details. Interested bidders can submit applications until 21 September 2026, with the technical opening scheduled for 21 September 2026.