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Smoke ventilation according to EN 12101-2 - D+H Mechatronic

Smoke ventilation according to EN 12101-2 - D+H Mechatronic

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2 Symbols and abbreviationsThe following mathematical and physical parameters represented by their symbols and units apply <strong>to</strong> the applicationof standard <strong>EN</strong> <strong>12101</strong>-2.Symbol/Parameter / descriptionUnitabbreviation- -Aa Aerodynamic free area m²A vGeometric opening area of the natural smoke and heat exhaust ventila<strong>to</strong>r m²W CM Casement width (maximum sash dimension) mmH CM Casement height (maximum sash dimension) mmB 300 Classification of the resistance <strong>to</strong> heat at 300°C °CW/HFrame clear width <strong>to</strong> frame clear height quotient (RLB/RLH)CvCoefficient of discharge with side wind influenceCv0Coefficient of discharge without side wind influenceEClassification of the reaction <strong>to</strong> fire of materials in accordance with<strong>EN</strong> 1305-1FMVent mountingg Vent weight N/m²KAChain driveLe 10 000Classification of the <strong>ventilation</strong> function (10,000 times open and close <strong>to</strong>/from the <strong>ventilation</strong> comfort position)MBCentre of hingeMVCentre locknNumber of NSHEV elementsNSHEVNatural smoke and heat exhaust ventila<strong>to</strong>rPd Wind stagnation pressure PaRAB Frame outer dimension width mmRAH Frame outer dimension height mmRe 1000Classification of reliability (1,000 times fully open smoke vent position)RLB Frame clear dimension width mmRLH Frame clear dimension height mmRMFrame mountingSL Snow load classification PaSoloSingle driveT Temperature °CT(00) Functional test classification at above 0°C (room temperature) TDTDTandem drive48Section E

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