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Standard ČSN EN 257 1.1.2011 preview

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ČSN EN 257 (061804)

Mechanical thermostats for gas-burning appliances



STANDARD published on 1.1.2011


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The information about the standard:

Designation standards: ČSN EN 257
Classification mark: 061804
Catalog number: 87504
Publication date standards: 1.1.2011
SKU: NS-150018
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Gas fuel burners

Annotation of standard text ČSN EN 257 (061804):

Tato evropská norma stanovuje požadavky na bezpečnost, konstrukci a provozní vlastnosti mechanických regulátorů teploty určených pro použití se spotřebiči plynných paliv a pro podobné účely. Platí pro regulátory se stanovenými maximálními vstupními přetlaky nejvýše 50 kPa (500 mbar) a s připojovacími rozměry odpovídajícími jmenovité světlosti nejvýše DN 50, které jsou použitelné pro jedno nebo více paliv v souladu s EN 437. Norma platí pro regulátory určené k přímému nebo nepřímému řízení průtoku paliva armaturou, která je jeho nedílnou součástí, bez nutnosti přivádění elektrické energie pro jejich ovládání u nezávislého zdroje; dále platí pouze pro regulátory používané se spotřebiči plynných paliv, které nejsou instalovány ve venkovním prostředí. Regulátory, o nichž pojednává tato evropská norma, jsou určeny pro řídicí funkce

These changes apply to this standard:

Preview ČSN EN 257:2011/Z1 1.5.2023
ČSN EN 257:2011/Z1 (061804) Change

Mechanické regulátory teploty pro spotřebiče plynných paliv.

Change published on 1.5.2023

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Preview of the standard ČSN EN 257 (061804)

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