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Norm
ÖNORM EN 331
Issue date: 2016 03 15
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
This European Standard specifies the characteristics for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the ...
Valid
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 49 Pages
Language:
German
| English
Optionally co-design standards:
ICS
This European Standard specifies the characteristics for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking provisions.
It applies to metallic valves not directly buried for domestic and commercial installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437) and working up to 0,2 × 105 Pa, 0,5 × 105 Pa, 1 × 105 Pa, 5 × 105 Pa and 20 × 105 Pa and with temperature limits from – 5 °C or -20 °C to + 60 °C.
ÖNORM EN 331
2016 03 15
Manually operated ball valves and closed bottom taper plug valves for gas installations for building...
Norm
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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
Norm
Issue date :
1981 04 01
Carbon steel tubes suitable for screwing in accordance with ISO 7-1
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Issue date :
2021 06 21
Plastics piping systems — Mechanical fittings for pressure piping systems — Specifications (Corrected version 2021-12)
