PREN 13397 : DRAFT 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INDUSTRIAL VALVES - DIAPHRAGM VALVES MADE OF METALLIC MATERIALS
01-11-2001
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Requirements
4.1 Design
4.1.1 Materials
4.1.2 Pressure/temperature ratings
4.1.3 Dimensions
4.1.4 Operation
4.1.5 Construction
4.2 Functional characteristics
4.2.1 Shell design strength
4.2.2 Seal leakage
4.2.3 Permissible manual operating forces
5 Test procedures
6 Inspection
7 Designation
8 Marking, preparation for storage and transportation
8.1 Marking
8.2 Preparation for storage and transportation
Annex A (informative) Information to be supplied by the
purchaser
Annex Z (informative) Essential safety requirements
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