bids are invited for portable fire extinguishers (v3) isi marked to is 15683 (q2) , fixed clean agent gas based fire suppression system (q2) - supply of clean agent fire extinguisher, 4.0 kg capacity (stored pressure type) conforming to is 15683 (latest revision), with seamless mild steel cylinder finished with epoxy polyester powder coating (fire red), fitted with brass forged squeeze grip type valve, pressure gauge, discharge hose and nozzle, wall mounting bracket and complete accessories. the extinguisher shall be charged with hfc-236fa (clean agent) suitable for protection of class a (surface), b and c fires, non-conductive, ozone-friendly and residue-free, approved under us epa snap programme. the supply of extinguisher shall be complete in all respects including cl s/fasteners, as required.. , supply of a clean agent gas- based fire suppression system suitable for enclosed spaces such as electric panels, closed cabinets, and server racks. the system includes the following components and features: components and features, clean agent gas suppression system: suitable forupto2 cubic metervolume, clean agent type: fk-5-1-12 with zero ozonedepleting potential (odp), electrical non-conductive and environmentally safe gas, capacity: 2kg cylinder. heat sensing tube (hst): 10 meters of heat sensing tube made of special modified polyimide (pa), multi-layered, uv protected, internal diameter: 4mm, outside diameter: 6mm, pre-pressurized with drynitrogen gas. pressure and valve mechanism: direct low-pressure type valve with anintegrated ball valve for open/ close operation, reed switch for monitoring valve position (open/ close indication). monitoring panel: audio- visual microcontroller- based panel for systemhealth monitoring, indicators for ac poweron, systemon, discharge, valveopen/closed, pressure health, and battery low, power backup: 12v, 7.2 ah smf batteries(2 nos). sounders and buzzers: electric buzzer: 50 db piezoelectric, conventional electric sounder (operational range:- 20°cto+60°c) with a minimum 60db sound output, red color and ip- 66 rated. accessories: suitablevalvesforclosingand releasing, straight, elbow, or t- connectors as required, end-of-line adapter and end-of-line plug. performance and certification: operating pressure: 15bar, max working pressure: 20 bar, burst pressure:120°c, operating temperature range: 20°c to +60°c, lpcb standard certification: lps1666: issue 1.0,valve certification: tped certificate (en iso 10297: 2006/ cemarked),test reports and oem marking included, warranty: 3 years, designlifespan: 5years.