SN EN 12569 : 2000
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
INDUSTRIAL VALVES - VALVES FOR CHEMICAL AND PETROCHEMICAL PROCESS INDUSTRY - REQUIREMENTS AND TESTS
01-03-2021
12-01-2013
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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