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Norm
ÖNORM EN 331
Issue date: 1998 04 01
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
This European standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details...
Withdrawn: 2011 09 01
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 29 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This European standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking requirements. It applies to valves for domestic and commercial not directly buried installations inside or outside of
buildings, using gases of the first, second and third family (specified in EN 437), Valve nominal sizes (DN) covered by this European standard are as follows: 6, 8, 10, 12, 15,20,25,32,40,50.
ÖNORM EN 331
2016 03 15
Manually operated ball valves and closed bottom taper plug valves for gas installations for building...
Norm
ÖNORM EN 331
2011 09 01
Manually operated ball valves and closed bottom taper plug valves for gas installations for building...
Norm
ÖNORM EN 331
1998 04 01
Manually operated ball valves and closed bottom taper plug valves for gas installations for building...
Norm
↖
ÖNORM M 7437
1989 12 01
Gas shutting-off devices for domestic use; requirements, testing, marking of conformity
Norm
ÖNORM M 7437
1987 06 01
Gas shutting-off devices for domestic use; requirements, testing, marking of conformity
Norm
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Issue date :
1981 04 01
Carbon steel tubes suitable for screwing in accordance with ISO 7-1
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Issue date :
1996 10 01
Lubricants for applications in appliances and associated controls using combustible gases except those designed for use in industrial processes
Norm
Issue date :
1995 02 01
Rubber materials for seals and diaphragms for gas appliances and gas equipment
Norm
Issue date :
1981 04 01
Carbon steel tubes suitable for screwing in accordance with ISO 7-1
Norm
Issue date :
2011 09 01
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
