用于防火/防烟隔墙门的闭门器中的单独保持开启装置和保持开启结构，电动回转门保持开启装置可将回转门保持在固定位置或允许门自由摆动。在每种情况下，电源中断都会导致受控门主动关闭。
闭门器开启装置欧盟CE认证
闭门器开启装置欧盟CE认证法规
建材CPR Regulation (EU) No 305/2011
EN1155:1997 适用CE认证闭门器开启装置范围
This European Standard specifies requirements for separatehold-open devices and also for hold-open mechanisms incorporated ina door closer intended to be used on fire/smoke compartmentationdoors". Electrically powered hold-open devices for swing doorsmanufactured according to this European Standard can hold a swingdoor at a fixed position or can allow the door to swing freely. Ineach case interruption of the electrical supply will cause thecontrolled door to close positively. Electrically powered hold-opendevices manufactured in accordance with this European Standard arerecommended for use wherever there is a requirement for reliablehold-open and release of self-closing fire/smoke door assemblies.Whilst these devices can incorporate smoke or fire detectionelements, the performance of those particular elements is outsidethe scope of this European Standard.本欧洲标准规定了用于防火/防烟隔墙门的闭门器中的单独保持开启装置和保持开启机构的要求“.根据本欧洲标准制造的电动回转门保持开启装置可将回转门保持在固定位置或允许门自由摆动。在每种情况下，电源中断都会导致受控门主动关闭。建议使用根据本欧洲标准制造的电动保持开启装置。”d适用于需要可靠打开和释放自动关闭防火/防烟门组件的地方。这些设备可以包含烟雾或火灾探测元件，但这些特定元件的性能超出了本欧洲标准的范围