UNI EN 12569 : 2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INDUSTRIAL VALVES - VALVES FOR CHEMICAL AND PETROCHEMICAL PROCESS INDUSTRY - REQUIREMENTS AND TESTS
02-08-2022
01-01-2001
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Requirements
4.1 General
4.2 Quality assurance
4.3 Design
4.4 Materials
4.5 Welding to parts of valves
4.6 Surface finish
5 Testing and inspection
5.1 Non-destructive examination of steel castings
5.2 Testing and inspection of every valve
5.3 Random testing
6 Marking
7 Preparation for shipment
8 Technical documentation
Annex A (informative) Explanations for acceptance criteria
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