supply of refrigerant gas r-407c [having chemical name difluro methane,penta fluro ethane, 1,1,1,2-tetra fluro ethane & chemical formula ch2 f2 , cf3-chf2 , cf3-ch2f] conf orming to is/iso-817:2014 make-dupoint/mafron/kiro/freon/ecorane/fluoro/floron. note: 1.certificate of analysis (coa) of gas to be provided during supply. 2. cylinder will remain in scope of railways. as per specn. refrigerant gas as per iso-817:2014 and gas cylinder as per is:6240 [ warranty period: 30 months after the date o

Metro Railway has invited bids for the supply of refrigerant gas r-407c [having chemical name difluro methane,penta fluro ethane, 1,1,1,2-tetra fluro ethane & chemical formula ch2 f2 , cf3-chf2 , cf3-ch2f] conf orming to is/iso-817:2014 make-dupoint/mafron/kiro/freon/ecorane/fluoro/floron. note: 1.certificate of analysis (coa) of gas to be provided during supply. 2. cylinder will remain in scope of railways. as per specn. refrigerant gas as per iso-817:2014 and gas cylinder as per is:6240 [ warranty period: 30 months after the date of delivery ] ].. Please refer to the tender document for project value and EMD details. Interested bidders can submit applications until 1 October 2026, with the technical opening scheduled for 1 October 2026.