Standard Swedish standard · SS-EN 257:2022+A1:2023

Mechanical thermostats for gas-burning appliances

Status: Valid

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Standard Swedish standard · SS-EN 257:2022+A1:2023

Mechanical thermostats for gas-burning appliances
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Scope
EN 13611:2019, Clause 1 applies with the following modification and addition: Modification: The 1st paragraph of EN 13611:2019, Clause 1 is replaced by: This document specifies the safety, design, construction, and performance requirements and testing for mechanical thermostats intended for use with gas appliances and similar use, hereafter referred to as “thermostats”. This document is applicable to thermostats with declared maximum inlet pressures up to and including 50 kPa and of nominal connection sizes up to and including DN 50 for use with one or more fuel gases. Addition: This document is applicable to thermostats controlling the gas flow directly or indirectly through an integral gas valve. This document applies to thermostats used with gas appliances which are not installed in the open air. Thermostats dealt with in this document are intended for control functions. This document is not applicable to: a) controls which use auxiliary energy (e.g. electrical energy supplied externally); b) an assessment of the control regarding Performance Level (PL) and Safety Integrity Level (SIL). The 4th paragraph of EN 13611:2019, Clause 1 is removed. 

Subjects

Gas fuel burners (27.060.20)


Buy this standard

Standard Swedish standard · SS-EN 257:2022+A1:2023

Mechanical thermostats for gas-burning appliances
Subscribe on standards - Read more Dölj
Price: 1 416 SEK
standard ikon pdf

PDF

Price: 1 416 SEK
standard ikon

Paper

Price: 2 265,60 SEK
standard ikon pdf + standard ikon

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-80047890

Edition: 1

Approved: 12/19/2023

No of pages: 48

Replaces: SS-EN 257:2022