supplying and fixing of dry powder stored pressure type fire extinguisher of make ceasefire, kanex, safex or simillar 4 is a multi-purpose unit designed for class a, b, c, and electrical fires. it is typicall y a stored-pressure model filled with mono ammonium phosphate (map) dry powder. standard specification s include a fire rating of 3a:89b, an operating pressure of 15 bar, and a discharge time of 13 to 18 seconds. here is a breakdown of the standard technical parameters for a 4 kg abc fire
xtinguisher: extinguishing a gent: mono ammonium phosphate (map) based abc dry powder (typically map 90%). fire classification: cl ass a (solid materials), class b (flammable liquids), class c (gases), and electrically started fires. fire ratin g: generally ranges from 2a:21b up to 3a:89b (depending on powder quality). operating pressure: 15 bar ( maximum service pressure: 15 to 17 bar). discharge time: 13 to 18 seconds minimum. discharge range (t hrow): 2 to 5 meters. propellant: dry nitrogen or clean dry air. cylinder material: mild steel (m.s.) sheet con forming to is 7285 or is 513. dimensions (approx.): height: -490 to 510 mm | diameter: -130 to 140 mm. weight (empty/full): empty cylinder weighs approx. 2.5 kg, with a total gross charged weight of roughly 6. 5 to 8 kg. testing / burst pressure: tested at 35 bar for 30 seconds. burst pressure typically exceeds 55 to 110 bar. operating temperature range: -30degree c to +60 degree c. compliance: conforms to bis stand ards like is 15683 and often features a safety pin, tamper seal, and a pressure gauge. [ warranty period: 30 months after the date of delivery ] ] je/eng/core ( d.k.raizada), - dry powder stored pressure type fire extinguisher
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