燃气具恒温器检测

ANSI Z21.23-2000 and ANSI Z 21.23a-2003 燃气器具恒温器

Details test and examination criteria for integral gas valve type and electric type thermostats which are used as integral parts of gas-burning

Gas Appliance Thermostats

ANSI Z21.23-2010 燃气器具恒温器

Details test and examination criteria for integral gas valve type and electric type thermostats which are used as integral parts of gas-burning

Gas Appliance Thermostats

CSA 6.6-M78-CAN1-1978 燃气器具用恒温器

Gas Appliance Thermostats

Gas Appliance Thermostats

CSN EN 257-1994 燃气器具用机械恒温器

Zpracovatel: Strojírensk? zku?ební ústav v Brně, SZ 202, I?O 001490, Drahoslav Svoboda, Ivana Petra?ová Technická normaliza?ní komise: TNK 26 Spot?ebi

Mechanical thermostats for gas-burning appliances

NBN-EN 257-1992 燃气器具用机械恒温器

EN 257:2010 燃气器具用机械恒温器

This European Standard specifies the safety, construction and performance requirements for mechanical thermostats intended for use with gas appliances

Mechanical thermostats for gas-burning appliances

EN 257:2022 燃气器具用机械恒温器

EN 13611:2019, Clause 1 applies with the following modification and addition: Modification: The 1st paragraph of EN 13611:2019, Clause 1 is replaced

Mechanical thermostats for gas-burning appliances

DS/EN 257:1993 燃气器具的机械恒温器

This European Standard specifies the construction and performance requirements for mechanical thermostats for gas applications. It also establishes

Mechanical thermostats for gas-burning appliances

BS EN 257:1992 燃气器具用机械恒温器

Requirements for construction, performance and marking, and methods of test for mechanical thermostats, which do not require external electrical

Mechanical thermostats for gas-burning appliances

ONORM EN 257-1996 燃气器具用机械恒温器

Mechanical thermostats for gas-burning appliances

NEN-EN 257-1994 燃气器具用机械恒温器

This European Standard specifies the construction and performance requirements for mechanical thermostats for gas applications. It also establishes

Mechanical thermostats for gas-burning appliances

DS/EN 257:2010 燃气器具用机械恒温器

This European Standard specifies the safety, construction and performance requirements for mechanical thermostats intended for use with gas appliances

Mechanical thermostats for gas-burning appliances

LST EN 257-2010 燃气器具用机械恒温器

Mechanical thermostats for gas-burning appliances

DIN EN 257:2020 燃气器具的机械恒温器

Mechanical thermostats for gas-burning appliances; German and English version prEN 257:2020

UNE-EN 257:2010 燃气器具用机械恒温器

Mechanical thermostats for gas-burning appliances

ANSI Z21.23-2000 and ANSI Z 21.23a-2003 燃气器具恒温器

Details test and examination criteria for integral gas valve type and electric type thermostats which are used as integral parts of gas-burning

Gas Appliance Thermostats

ANSI Z21.23-2010 燃气器具恒温器

Details test and examination criteria for integral gas valve type and electric type thermostats which are used as integral parts of gas-burning

Gas Appliance Thermostats

CSA 6.6-M78-CAN1-1978 燃气器具用恒温器

Gas Appliance Thermostats

Gas Appliance Thermostats

CSN EN 257-1994 燃气器具用机械恒温器

Zpracovatel: Strojírensk? zku?ební ústav v Brně, SZ 202, I?O 001490, Drahoslav Svoboda, Ivana Petra?ová Technická normaliza?ní komise: TNK 26 Spot?ebi

Mechanical thermostats for gas-burning appliances

NBN-EN 257-1992 燃气器具用机械恒温器

EN 257:2010 燃气器具用机械恒温器

This European Standard specifies the safety, construction and performance requirements for mechanical thermostats intended for use with gas appliances

Mechanical thermostats for gas-burning appliances

EN 257:2022 燃气器具用机械恒温器

EN 13611:2019, Clause 1 applies with the following modification and addition: Modification: The 1st paragraph of EN 13611:2019, Clause 1 is replaced

Mechanical thermostats for gas-burning appliances

DS/EN 257:1993 燃气器具的机械恒温器

This European Standard specifies the construction and performance requirements for mechanical thermostats for gas applications. It also establishes

Mechanical thermostats for gas-burning appliances

BS EN 257:1992 燃气器具用机械恒温器

Requirements for construction, performance and marking, and methods of test for mechanical thermostats, which do not require external electrical

Mechanical thermostats for gas-burning appliances

ONORM EN 257-1996 燃气器具用机械恒温器

Mechanical thermostats for gas-burning appliances

NEN-EN 257-1994 燃气器具用机械恒温器

This European Standard specifies the construction and performance requirements for mechanical thermostats for gas applications. It also establishes

Mechanical thermostats for gas-burning appliances

DS/EN 257:2010 燃气器具用机械恒温器

This European Standard specifies the safety, construction and performance requirements for mechanical thermostats intended for use with gas appliances

Mechanical thermostats for gas-burning appliances

LST EN 257-2010 燃气器具用机械恒温器

Mechanical thermostats for gas-burning appliances

DIN EN 257:2020 燃气器具的机械恒温器

Mechanical thermostats for gas-burning appliances; German and English version prEN 257:2020

UNE-EN 257:2010 燃气器具用机械恒温器

Mechanical thermostats for gas-burning appliances