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AFNOR
NF EN 257 : 2011

NF EN 257 : 2011

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

MECHANICAL THERMOSTATS FOR GAS-BURNING APPLIANCES

Superseded date

17-01-2023

Published date

12-01-2013

Publisher

Association Francaise de Normalisation

Avant-propos
1 Domaine d'application
2 Références normatives
3 Définitions
4 Groupes de thermostat
5 Caractéristiques de construction
6 Caractéristiques de fonctionnement
7 Méthodes d'essais
8 Marquage, notices d'installation et d'utilisation
Annexes
A - Essais d'étanchéité - Methode volumétrique
B - Essai d'étanchéité - Méthode par chute de pression
C - Raccordements selon ISO 7-1:1982 et ISO 228-1:1982
D - Calcul du débit de la fuite d'après la chute de pression

Describes the construction and performance requirements for mechanical thermostats for gas applications. Establishes the definitions, test conditions and marking. Applies to mechanical thermostats controlling the gas flow directly or indirectly through an integral gas valve, and which do not require external electrical energy for their operation. Applies to thermostats for all gas appliances. Excludes thermostats used with gas appliances installed in the open air.

DevelopmentNote
Indice de classement: D36-500. PR NF EN 257 November 2008. (11/2008)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Superseded
SupersededBy

Standards Relationship
ONORM EN 257 : 2010 Identical
UNE-EN 257:2010 Identical
EN 257:2010 Identical
SN EN 257 : 2010 Identical
NBN EN 257 : 2010 Identical
I.S. EN 257:2010 Identical
UNI EN 257 : 2010 Identical
NEN EN 257 : 2010 Identical
BS EN 257:2010 Identical
NS EN 257 : 2010 Identical
DIN EN 257:2010-11 Identical

NF EN 777-4 : 2009 MULTI-BURNER GAS-FIRED OVERHEAD RADIANT TUBE HEATER SYSTEMS FOR NON-DOMESTIC USE - PART 4: SYSTEM H - SAFETY
NF EN 777-2 : 2009 MULTI-BURNER GAS-FIRED OVERHEAD RADIANT TUBE HEATER SYSTEMS FOR NON-DOMESTIC USE - PART 2: SYSTEM E - SAFETY
NF EN 777-3 : 2009 MULTI-BURNER GAS-FIRED OVERHEAD RADIANT TUBE HEATER SYSTEMS FOR NON-DOMESTIC USE - PART 3: SYSTEM F - SAFETY
NF EN 613 : 2001 AMD 1 2003 INDEPENDENT GAS-FIRED CONVECTION HEATERS
NF EN 777-1 : 2009 MULTI-BURNER GAS-FIRED OVERHEAD RADIANT TUBE HEATER SYSTEMS FOR NON-DOMESTIC USE - PART 1: SYSTEM D - SAFETY
NF EN 416-1 : 2009 SINGLE BURNER GAS-FIRED OVERHEAD RADIANT TUBE HEATERS FOR NON-DOMESTIC USE - PART 1: SAFETY

2009/142/EC : 2009 DIRECTIVE 2009/142/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 30 NOVEMBER 2009 RELATING TO APPLIANCES BURNING GASEOUS FUELS (TEXT WITH EEA RELEVANCE)
EN 13611:2015/AC:2016 SAFETY AND CONTROL DEVICES FOR BURNERS AND APPLIANCES BURNING GASEOUS AND/OR LIQUID FUELS - GENERAL REQUIREMENTS

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