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      菱大機電設備(上海)有限公司

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      簡介:Standard EN45545 EN45545 標準 To ensure the safety of people and equipment in railway applications 確保鐵路應用中的人員及設備的安全 With the introduction and ratification of EN45545 a unification of fire safety standards i …… 價格:

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      Standard EN45545
      EN45545 標準
      To ensure the safety of people and equipment in railway applications 
      確保鐵路應用中的人員及設備的安全 
      With the introduction and ratification of EN45545 a unification of fire safety standards is taking  place in Europe.
      隨著 EN 45545 的引進和認可,歐洲正在實行統一防火安全的標準。

      EN 45545-1 contains basic definitions as well as general rules on how to classify rail vehicles. 
      Train operating and train design categories are defined in order to assess fire risk. Hazard levels are defined based upon these classifications.
      EN 45545-1,不但包含基本的概述,而且還包括劃分軌道車輛類別的常規規則。評估火災風險是根據軌道車輛的運營和設計類別,并且相關的危險等級是根據此等類別進行定義的。

      EN 45545-2 describes the material requirements for the different hazard levels (HL1, HL2 and HL3). Table R22 sets the flammability, smoke emission and toxicity requirements for internal applications. 
      Table R23 does the same for external applications. 
      EN 45545-2 描述了對于材料的不同危險等級(HL1,HL2和HL3)要求。 表 R22 設定車內應用對于易燃性,煙密度和毒性的要求。
      表 R23 設定外部應用的相同要求。

      EN 45545-3 describes the fire resistance requirements for fire barriers. 
      Unless designed with care, locations where cables within cable protection conduits are fed through  fire barriers could represent potential weak points through which fire, heat or gas could penetrate.  
      EN 45545-3 sets E, I and W requirements for 10 different fire protection installation situations in acc. with the operating categories defined in EN 45545-1:

      EN45545-3 描述了防火屏障的耐火要求。穿過防火屏障的電纜保護軟管內的電纜如果沒有精心設計,那么火、熱或氣體就可能突破這個潛在的薄弱點。
      根據 EN 45545-1 運營類別中定義的 10 種不同的防火屏障安裝情況,EN 45545-3 設置 E、I 和 W 的要求:

      - E (integrity), with a performance rating of E15, E30 (in minutes)
        E(完整性),含等級評定 E15, E30 (分鐘)   
      - I (heat insulation)
        I(熱絕緣)
      - W (radiation)
        W(輻射)

      E15 is sufficient for several of the 10 installation situations and operating categories. 

      對于 10 種安裝情況中的許多情況和運營類別,E15 是足夠的。

      E30, the highest requirement is specified for fire barriers between luggage compartments and passenger areas or the driver‘s cab for train operating categories 3 and 4. In such situations the fire must be prevented from breaking through for at least 30 minutes. 
      耐火完整性要求最高的 E30 評級的防火屏障,是安裝在行李艙和乘客區或運營類別 3 和 4 的駕駛艙。若發生火災情況,必須保證至少 30 分鐘內防止火災爆發。

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