supply of calibration gas mixture in 0.5 ltr w/c aluminium canister with flow control needle valve, sept um, pressure gauge and gas drawing valve, containing methane 1000 ppm vol/vol ethane: 1000 ppm vol/v ol. ethylene: 1000 ppm vol/vol. acetylene: 1000 ppm vol/vol, hydrogen: 1000 ppm vol/vol, carbon dioxide: 5000 pm vol/vol, carbon monoxide: 5000 ppm vol/vol,nitrogen: balance. specification: filling pressure: 20k g/cm2. preparation tolerance: +/- 20%, certificate accuracy: +/- 2% stability: 24

Western Railway has invited bids for the supply of calibration gas mixture in 0.5 ltr w/c aluminium canister with flow control needle valve, sept um, pressure gauge and gas drawing valve, containing methane 1000 ppm vol/vol ethane: 1000 ppm vol/v ol. ethylene: 1000 ppm vol/vol. acetylene: 1000 ppm vol/vol, hydrogen: 1000 ppm vol/vol, carbon dioxide: 5000 pm vol/vol, carbon monoxide: 5000 ppm vol/vol,nitrogen: balance. specification: filling pressure: 20k g/cm2. preparation tolerance: +/- 20%, certificate accuracy: +/- 2% stability: 24 months, hsn code:28042 990 with calibration/test certificate [ warranty period: 30 months after the date of delivery ] ] senior secton engineer - calibration gas mixture in 0.5 ltr.. Please refer to the tender document for project value and EMD details. Interested bidders can submit applications until 28 September 2026, with the technical opening scheduled for 28 September 2026.