96/700629 DC : DRAFT JAN 1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PREN 12284 REFRIGERATION SYSTEMS AND HEAT PUMPS - VALVES - REQUIREMENTS, TESTING AND MARKING
09-26-2003
11-23-2012
Foreword
1 Scope
2 Normative references
3 Definitions
4 Classification (valve pressure rating)
5 General requirements
6 Materials
7 Design
8 Construction and workmanship
9 Testing
10 Marking and additional information
Annex A (informative) Materials
Annex B (informative) Calculation examples
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