Metro Railway

Metro Railway has published Supply , Fitment And Commissioning Of Condensed Fixed Dry Aerosol - Fire Extinguishing Component, Capable Of Extinguishing Class A, B And C As Per Nfpa 2010 For Bhel Ac Rake Panel, . The Self- Activation Of The Aerosol Generator At 300 Deg C. It Can Be Activated By Electrical And Thermal Activation Methods. With Electrical Activation Line Supervision Current Of 1.6 To 3.6 Ohmic Resistance. With Electrical Activation Line Supervision Current Of Maximum 5 Amps, Heating Elements With 1.6 To 3.6 Ohmic Resistance. With Value Of Activation At ( 6 - 36V Dc 0.8 A In 3-4 Sec ) . Operational Discharge Time Should Be Maximum Of 10 Seconds. It Has To Be Ul Listed With 15 Years Of Shelf Life, Non-Pyrotechnic And Must Comply To Odp Zero, Gwp Zero And Alt Negligible. No Oxygen Depletion. The Generator Height Should Be 140Mm With A Diameter Of 51Mm. It Should Have A Gross Weight Of 610 Gms With + Or -10% Tolerance And Net Weight Of Extinguishing Agent Should Be 40 Gms With 1 Or 2 Discharge Outlet. Maximum Height Of Installation Is 1Mtr. Generator Casing Must Be Made Of Stainless Steel 304 Grade. Materials To Be Suppled As Per Specification No. Sse / Mw / Poh / Dry Aerosol Enclosed Herewith. [ Warranty Period: 30 Months After The Date Of Delivery ] . Last date of submission for this tender is 2023-06-05. This is a Fire Extinguishers tender in Kolkata, West Bengal