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Standard STN EN 674 1.11.2011 preview

STN EN 674 (701632)

Glass in building.Determination of thermal transmittance (U value).Guarded hot plate method



STANDARD published on 1.11.2011


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The information about the standard:

Designation standards: STN EN 674
Classification mark: 701632
Catalog number: 114116
Publication date standards: 1.11.2011
SKU: NS-532421
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN

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ČSN EN 674 (01.11.2011)

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Glass in building

Annotation of standard text STN EN 674 (701632):

Táto európska norma špecifikuje meraciu metódu na stanovenie súčiniteľa prechodu tepla zasklením s plochým a paralelným povrchom.Štrukturované povrchy, t.j. vzorované sklo sa môžu považovať za ploché.Táto európska norma platí pre viacnásobné zasklenie s vonkajšími tabuľami, ktoré neprepúšťajú žiarenie vo vzdialenej infračervenej oblasti, čo je prípad výrobkov zo sodnovápenato-kremičitého skla (ďalej nazývané sodnovápenaté sklo), z borosilikátového skla a z keramického skla.Vnútorné prvky môžu prepúšťať žiarenie vo vzdialenej infračervenej oblasti.Postup špecifikovaný v tejto európskej norme stanovuje hodnotu U1) (súčiniteľ prechodu tepla) v centrálnej oblasti zasklenia.Do úvahy sa neberú okrajové efekty spôsobené tepelným mostom cez dištančný prvok hermeticky uzavretého zasklenia alebo cez okenný rám.Do úvahy sa neberie ani prenos energie vplyvom slnečného žiarenia.Postup špecifikovaný v tejto norme sa má všeobecne uvažovať len ak výpočtová metóda podrobne uvedená v EN 673 je neprimeraná a nevhodná.

Similar standards:

STN EN 14179-2STN EN 14179-2

1.12.2005

STN EN 14321-1STN EN 14321-1

1.1.2006

STN EN 14321-2STN EN 14321-2

1.5.2006

STN EN 14449STN EN 14449

1.1.2006

STN EN 357STN EN 357

1.11.2005

STN EN 673STN EN 673

1.11.2011

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