| Pre-Qualification : |
1 Railway reserves the right to procure full quantity from proven sources having satisfactory past performance for supply of same/similar items in any Railway/PUs. Firms should furnish documentary evidence along with their offer evidencing execution of such the purchase orders. Yes Yes Allowed (Optional)
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Requirement :
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Supply of calibration gas mixture in 0.5 ltr w/c aluminium canister along with fine control needle valve methane=100ppm, ethane=1000ppm, ethylene=1000ppm, acetylene=1000ppm, hydrogen=1000ppm, carbon dioxide=5000ppm, carbon monoxide=5000ppm, nitrogen balance filling pressure-20kg/sq.cm make-chemtron/upg/span can/ags note 1) the gas canister no. should be punched clearly on the cylinder and should contain pressure gauge on the canister to show internal pressure of the canister., (2) calibration certificate should be given by any govt. accredited laboratory and canister no. should be mentioned on the calibration certificate.
calibration gas mixture in 0.5 ltr w/c aluminium canister along with fine control needle valve methane=100ppm, ethane=1000ppm, ethylene=1000ppm, acetylene=1000ppm, hydrogen=1000ppm, carbon dioxide=5000ppm, carbon monoxide=5000ppm, nitrogen balance filling pressure-20kg/sq.cm make-chemtron/upg/span can/ags note 1) the gas canister no. should be punched clearly on the cylinder and should contain pressure gauge on the canister to show internal pressure of the canister., (2) calibration certificate should be given by any govt. accredited laboratory and canister no. should be mentioned on the calibration certificate. [ warranty period 30 months after thedate of delivery ]
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