UNI EN 331 : 2011
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS
Superseded date
08-18-2022
Published date
01-01-2011
Defines the characteristics for the construction, performance and safety of ball valves and closed bottom taper plug valves.
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