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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 ...
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§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 49 Pages
Language:
German | English
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...
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