NEN EN 1213 : 1999

Foreword
Introduction
1 Scope
2 Normative references
3 Definition
4 Classification
      4.1 General
      4.2 The nominal size (DN)
      4.3 The flow rate
      4.4 The end connections
5 Designation
6 Materials
      6.1 Chemical and hygienic characteristics
      6.2 Body materials
7 Tests and requirements
      7.1 General
      7.2 Mechanical requirements and tests
      7.3 Hydraulic tests and requirements
      7.4 Acoustic tests and requirements
      7.5 Endurance test
8 Design requirements
9 Marking

The purpose of this standard is to specify: - the requirements for the materials and the design of stopvalves; -the mechanical, hydraulic and acoustic requirements; - the test methods; - the marking requirements; for copper alloy stopvalves for use with drinking water supply in buildings.